Michigan County Creation Dates and Parent Counties: Difference between revisions

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{{Note|See an interactive outline map of [http://historical-county.newberry.org/website/Michigan/viewer.htm ''Michigan Historical Counties''] at Newberry Library site<ref>[http://historical-county.newberry.org/website/Michigan/viewer.htm ''Michigan Atlas of Historical County Boundaries'', John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.</ref> (Free) Enter a year, '''Refresh Map''', select '''zoom in''', then click on the map to enlarge it.}}
{{Note|See an interactive outline map of [http://historical-county.newberry.org/website/Michigan/viewer.htm ''Michigan Historical Counties''] at Newberry Library site<ref>[http://historical-county.newberry.org/website/Michigan/viewer.htm ''Michigan Atlas of Historical County Boundaries'', John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.</ref> (Free) Enter a year, '''Refresh Map''', select '''zoom in''', then click on the map to enlarge it.}}  


<br>
<br> {{Tip|Sort the table by '''Date Formed''' or by '''Parent Counties''' and check [http://historical-county.newberry.org/website/Michigan/documents/MI_County_Index.htm Boundary Changes] for interesting insights.}}  
{{Tip|Sort the table by '''Date Formed''' or by '''Parent Counties''' and check [http://historical-county.newberry.org/website/Michigan/documents/MI_County_Index.htm Boundary Changes] for interesting insights.}}
 
{| border="1" width="100%" class="sortable"
{| width="100%" border="1" class="sortable"
|-
|-
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Name of County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Name of County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Date Formed'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Date Formed'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" |'''Boundary<br>Changes'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Boundary<br>Changes'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Parent County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Parent County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Counties Created by Boundary Changes'''
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Counties Created by Boundary Changes'''
|-
|-
| [[Aishcum County, Michigan Genealogy|Aishcum]]  
| [[Aishcum County, Michigan Genealogy|Aishcum]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#AISHCUM Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#AISHCUM Details]  
| Oceana  
| Oceana  
| renamed Lake 1843
| renamed Lake 1843
|-
|-
| [[Alcona County, Michigan Genealogy|Alcona]]  
| [[Alcona County, Michigan Genealogy|Alcona]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALCONA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALCONA Details]  
| renamed from Neewago  
| renamed from Neewago  
| Oscoda
| Oscoda
|-
|-
| [[Alger County, Michigan Genealogy|Alger]]  
| [[Alger County, Michigan Genealogy|Alger]]  
| 1885 Mar 17  
| 1885 Mar 17  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALGER Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALGER Details]  
| Schoolcraft  
| Schoolcraft  
| none
| none
|-
|-
| [[Allegan County, Michigan Genealogy|Allegan]]  
| [[Allegan County, Michigan Genealogy|Allegan]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALLEGAN Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALLEGAN Details]  
| Kalamazoo  
| Kalamazoo  
| none
| none
|-
|-
| [[Alpena County, Michigan Genealogy|Alpena]]  
| [[Alpena County, Michigan Genealogy|Alpena]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALPENA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ALPENA Details]  
| renamed from Anamickee  
| renamed from Anamickee  
| Alcona 1869, Oscoda 1840, Otsego 1840
| Alcona 1869, Oscoda 1840, Otsego 1840
|-
|-
| Anamickee  
| Anamickee  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Alpena 1843
| renamed Alpena 1843
|-
|-
| [[Antrim County, Michigan Genealogy|Antrim]]  
| [[Antrim County, Michigan Genealogy|Antrim]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ANTRIM Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ANTRIM Details]  
| renamed from Meegisee  
| renamed from Meegisee  
| none
| none
|-
|-
| [[Arenac County, Michigan Genealogy|Arenac]]  
| [[Arenac County, Michigan Genealogy|Arenac]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ARENAC Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ARENAC Details]  
| Bay, Saginaw  
| Bay, Saginaw  
| none
| none
|-
|-
| [[Baraga County, Michigan Genealogy|Baraga]]  
| [[Baraga County, Michigan Genealogy|Baraga]]  
| 1875 Feb 19  
| 1875 Feb 19  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BARAGA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BARAGA Details]  
| Houghton  
| Houghton  
| none
| none
|-
|-
| [[Barry County, Michigan Genealogy|Barry]]  
| [[Barry County, Michigan Genealogy|Barry]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BARRY Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BARRY Details]  
| St. Joseph, Kalamazoo  
| St. Joseph, Kalamazoo  
| none
| none
|-
|-
| [[Bay County, Michigan Genealogy|Bay]]  
| [[Bay County, Michigan Genealogy|Bay]]  
| 1857 Feb 17  
| 1857 Feb 17  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BAY Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BAY Details]  
| Saginaw, Midland  
| Saginaw, Midland  
| Arenac 1831
| Arenac 1831
|-
|-
| [[Benzie County, Michigan Genealogy|Benzie]]  
| [[Benzie County, Michigan Genealogy|Benzie]]  
| 1863 Feb 27  
| 1863 Feb 27  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BENZIE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BENZIE Details]  
| Grand Traverse, Leelanau  
| Grand Traverse, Leelanau  
| none
| none
|-
|-
| [[Berrien County, Michigan Genealogy|Berrien]]  
| [[Berrien County, Michigan Genealogy|Berrien]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BERRIEN Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BERRIEN Details]  
| Cass  
| Cass  
| none
| none
|-
|-
| Bleeker  
| Bleeker  
| 1861 1 18  
| 1861 1 18  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Marquette  
| Marquette  
| renamed Menominee 1863
| renamed Menominee 1863
|-
|-
| [[Branch County, Michigan Genealogy|Branch]]  
| [[Branch County, Michigan Genealogy|Branch]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BRANCH Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#BRANCH Details]  
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Brown_County,_Wisconsin|Brown]]
| [[Brown County, Wisconsin|Brown]]  
| 1818 Oct 26  
| 1818 Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Calhoun County, Michigan Genealogy|Calhoun]]  
| [[Calhoun County, Michigan Genealogy|Calhoun]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CALHOUN Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CALHOUN Details]  
| St. Joseph, Kalamazoo  
| St. Joseph, Kalamazoo  
| Eaton 1829
| Eaton 1829
|-
|-
| [[Cass County, Michigan Genealogy|Cass]]  
| [[Cass County, Michigan Genealogy|Cass]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CASS Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CASS Details]  
| Lenawee  
| Lenawee  
| Berrien 1829, Van Buren 1837
| Berrien 1829, Van Buren 1837
|-
|-
| [[Charlevoix County, Michigan Genealogy|Charlevoix]]  
| [[Charlevoix County, Michigan Genealogy|Charlevoix]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHARLEVOIX Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHARLEVOIX Details]  
| renamed from Reshkaiko  
| renamed from Reshkaiko  
| none
| none
|-
|-
| [[Cheboygan County, Michigan Genealogy|Cheboygan]]  
| [[Cheboygan County, Michigan Genealogy|Cheboygan]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHEBOYGAN Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHEBOYGAN Details]  
| Mackinac  
| Mackinac  
| Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
| Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
|-
|-
| Cheonoquet  
| Cheonoquet  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Montmorency 1843
| renamed Montmorency 1843
|-
|-
| [[Chippewa County, Michigan Genealogy|Chippewa]]  
| [[Chippewa County, Michigan Genealogy|Chippewa]]  
| 1826 Dec 26  
| 1826 Dec 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHIPPEWA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CHIPPEWA Details]  
| Mackinac  
| Mackinac  
| Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
| Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
|-
|-
| [[Clare County, Michigan Genealogy|Clare]]  
| [[Clare County, Michigan Genealogy|Clare]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CLARE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CLARE Details]  
| renamed from Kaykakee  
| renamed from Kaykakee  
| none
| none
|-
|-
| [[Clinton County, Michigan Genealogy|Clinton]]  
| [[Clinton County, Michigan Genealogy|Clinton]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CLINTON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CLINTON Details]  
| Shiawassee, Kent  
| Shiawassee, Kent  
| Gratiot 1855
| Gratiot 1855
|-
|-
| [[Crawford_County,_Wisconsin|Crawford]] (old)  
| [[Crawford County, Wisconsin|Crawford]] (old)  
| 1818 Oct 26  
| 1818 Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Crawford County, Michigan Genealogy|Crawford]]  
| [[Crawford County, Michigan Genealogy|Crawford]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CRAWFORD Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#CRAWFORD Details]  
| Michigan Territory<br>  
| Michigan Territory<br>  
| none
| none
|-
|-
| [[Delta County, Michigan Genealogy|Delta]]  
| [[Delta County, Michigan Genealogy|Delta]]  
| 1843 Mar 09  
| 1843 Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#DELTA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#DELTA Details]  
| Schoolcraft  
| Schoolcraft  
| none
| none
|-
|-
| Demoine  
| Demoine  
| 1833 Jun 01  
| 1833 Jun 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Iowa
| now in State of Iowa
|-
|-
| [[Dickinson County, Michigan Genealogy|Dickinson]]  
| [[Dickinson County, Michigan Genealogy|Dickinson]]  
| 1851 Jan 15  
| 1851 Jan 15  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#DICKINSON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#DICKINSON Details]  
| Kossuth  
| Kossuth  
| Emmet 1851
| Emmet 1851
|-
|-
| [[Dubuque_County,_Iowa|Dubuque]] (old)  
| [[Dubuque County, Iowa|Dubuque]] (old)  
| 1834 Sep 06  
| 1834 Sep 06  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Iowa
| now in State of Iowa
|-
|-
| [[Eaton County, Michigan Genealogy|Eaton]]  
| [[Eaton County, Michigan Genealogy|Eaton]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#EATON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#EATON Details]  
| St. Joseph, Calhoun, Kalamazoo  
| St. Joseph, Calhoun, Kalamazoo  
| Ingham 1829
| Ingham 1829
|-
|-
| [[Emmet County, Michigan Genealogy|Emmet]]  
| [[Emmet County, Michigan Genealogy|Emmet]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#EMMET Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#EMMET Details]  
| renamed from Tonedagana  
| renamed from Tonedagana  
| Charlevoix 1869
| Charlevoix 1869
|-
|-
| [[Genesee County, Michigan Genealogy|Genesee]]  
| [[Genesee County, Michigan Genealogy|Genesee]]  
| 1836 Mar 08  
| 1836 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GENESEE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GENESEE Details]  
| Oakland  
| Oakland  
| none
| none
|-
|-
| [[Gladwin County, Michigan Genealogy|Gladwin]]  
| [[Gladwin County, Michigan Genealogy|Gladwin]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GLADWIN Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GLADWIN Details]  
| Saginaw, Midland  
| Saginaw, Midland  
| none
| none
|-
|-
| [[Gogebic County, Michigan Genealogy|Gogebic]]  
| [[Gogebic County, Michigan Genealogy|Gogebic]]  
| 1881 Feb 07  
| 1881 Feb 07  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GOGEBIC Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GOGEBIC Details]  
| Ontonagon  
| Ontonagon  
| none
| none
|-
|-
| [[Grand Traverse County, Michigan Genealogy|Grand Traverse]]  
| [[Grand Traverse County, Michigan Genealogy|Grand Traverse]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GRAND TRAVERSE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GRAND TRAVERSE Details]  
| Mackinac  
| Mackinac  
| Antrim 1843, Benzie 1863, Leelanau 1863
| Antrim 1843, Benzie 1863, Leelanau 1863
|-
|-
| [[Gratiot County, Michigan Genealogy|Gratiot]]  
| [[Gratiot County, Michigan Genealogy|Gratiot]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GRATIOT Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#GRATIOT Details]  
| Saginaw, Clinton  
| Saginaw, Clinton  
| none
| none
|-
|-
| [[Hillsdale County, Michigan Genealogy|Hillsdale]]  
| [[Hillsdale County, Michigan Genealogy|Hillsdale]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HILLSDALE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HILLSDALE Details]  
| Lenawee  
| Lenawee  
| none
| none
|-
|-
| [[Houghton County, Michigan Genealogy|Houghton]]  
| [[Houghton County, Michigan Genealogy|Houghton]]  
| 1845 Mar 09  
| 1845 Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HOUGHTON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HOUGHTON Details]  
| Chippewa  
| Chippewa  
| Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
| Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
|-
|-
| [[Huron County, Michigan Genealogy|Huron]]  
| [[Huron County, Michigan Genealogy|Huron]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HURON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#HURON Details]  
| Saginaw, St. Clair, Sanilac  
| Saginaw, St. Clair, Sanilac  
| none
| none
|-
|-
| [[Ingham County, Michigan Genealogy|Ingham]]  
| [[Ingham County, Michigan Genealogy|Ingham]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#INGHAM Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#INGHAM Details]  
| Washtenaw, Eaton, Jackson  
| Washtenaw, Eaton, Jackson  
| none
| none
|-
|-
| [[Ionia County, Michigan Genealogy|Ionia]]  
| [[Ionia County, Michigan Genealogy|Ionia]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IONIA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IONIA Details]  
| Kent  
| Kent  
| Montcalm 1831
| Montcalm 1831
|-
|-
| [[Iosco County, Michigan Genealogy|Iosco]]  
| [[Iosco County, Michigan Genealogy|Iosco]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IOSCO Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IOSCO Details]  
| renamed from Kanotin  
| renamed from Kanotin  
| Ogemaw 1875
| Ogemaw 1875
|-
|-
| [[Iowa_County,_Wisconsin|Iowa]]  
| [[Iowa County, Wisconsin|Iowa]]  
| 1829 Oct 09  
| 1829 Oct 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Iron County, Michigan Genealogy|Iron]]  
| [[Iron County, Michigan Genealogy|Iron]]  
| 1885 Apr 03  
| 1885 Apr 03  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IRON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#IRON Details]  
| Marquette, Menominee  
| Marquette, Menominee  
| none
| none
|-
|-
| [[Isabella County, Michigan Genealogy|Isabella]]  
| [[Isabella County, Michigan Genealogy|Isabella]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ISABELLA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ISABELLA Details]  
| Saginaw, Midland  
| Saginaw, Midland  
| Clare 1871
| Clare 1871
|-
|-
| Isle Royal  
| Isle Royal  
| 1875 5 18  
| 1875 5 18  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Keweenaw  
| Keweenaw  
| dissolved 1897, part of Keweenaw
| dissolved 1897, part of Keweenaw
|-
|-
| [[Jackson County, Michigan Genealogy|Jackson]]  
| [[Jackson County, Michigan Genealogy|Jackson]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#JACKSON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#JACKSON Details]  
| Washtenaw  
| Washtenaw  
| none
| none
|-
|-
| [[Kalamazoo County, Michigan Genealogy|Kalamazoo]]  
| [[Kalamazoo County, Michigan Genealogy|Kalamazoo]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KALAMAZOO Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KALAMAZOO Details]  
| St. Joseph  
| St. Joseph  
| Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
| Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
|-
|-
| [[Kalkaska County, Michigan Genealogy|Kalkaska]]  
| [[Kalkaska County, Michigan Genealogy|Kalkaska]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KALKASKA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KALKASKA Details]  
| renamed from Wabasee  
| renamed from Wabasee  
| none
| none
|-
|-
| Kanotin  
| Kanotin  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Iosco 1843
| renamed Iosco 1843
|-
|-
| Kautawaubet  
| Kautawaubet  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Wexford 1843
| renamed Wexford 1843
|-
|-
| Kaykakee  
| Kaykakee  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Clare 1843
| renamed Clare 1843
|-
|-
| [[Kent County, Michigan Genealogy|Kent]]  
| [[Kent County, Michigan Genealogy|Kent]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KENT Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KENT Details]  
| Kalamazoo  
| Kalamazoo  
| Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
| Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
|-
|-
| [[Keweenaw County, Michigan Genealogy|Keweenaw]]  
| [[Keweenaw County, Michigan Genealogy|Keweenaw]]  
| 1861 Mar 11  
| 1861 Mar 11  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KEWEENAW Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#KEWEENAW Details]  
| Houghton, Iowa  
| Houghton, Iowa  
| Isle Royal (dissolved 1897)
| Isle Royal (dissolved 1897)
|-
|-
| [[Lake County, Michigan Genealogy|Lake]]  
| [[Lake County, Michigan Genealogy|Lake]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LAKE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LAKE Details]  
| renamed from Aishcum  
| renamed from Aishcum  
| none
| none
|-
|-
| [[Lapeer County, Michigan Genealogy|Lapeer]]  
| [[Lapeer County, Michigan Genealogy|Lapeer]]  
| 1822 Sep 10  
| 1822 Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LAPEER Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LAPEER Details]  
| Oakland  
| Oakland  
| Sanilac 1848
| Sanilac 1848
|-
|-
| [[Leelanau County, Michigan Genealogy|Leelanau]]  
| [[Leelanau County, Michigan Genealogy|Leelanau]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LEELANAU Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LEELANAU Details]  
| Grand Traverse  
| Grand Traverse  
| Benzie 1863
| Benzie 1863
|-
|-
| [[Lenawee County, Michigan Genealogy|Lenawee]]  
| [[Lenawee County, Michigan Genealogy|Lenawee]]  
| 1822 Sep 10  
| 1822 Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LENAWEE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LENAWEE Details]  
| Indian lands  
| Indian lands  
| Cass 1829, Hillsdale 1835
| Cass 1829, Hillsdale 1835
|-
|-
| [[Livingston County, Michigan Genealogy|Livingston]]  
| [[Livingston County, Michigan Genealogy|Livingston]]  
| 1836 Mar 24  
| 1836 Mar 24  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LIVINGSTON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LIVINGSTON Details]  
| Shiawassee, Washtenaw  
| Shiawassee, Washtenaw  
| none
| none
|-
|-
| [[Luce County, Michigan Genealogy|Luce]]  
| [[Luce County, Michigan Genealogy|Luce]]  
| 1887 Mar 01  
| 1887 Mar 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LUCE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#LUCE Details]  
| Chippewa, Mackinac  
| Chippewa, Mackinac  
| none
| none
|-
|-
| [[Mackinac County, Michigan Genealogy|Mackinac]]  
| [[Mackinac County, Michigan Genealogy|Mackinac]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MACKINAC Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MACKINAC Details]  
| renamed from Michilimackinac  
| renamed from Michilimackinac  
| Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
| Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
|-
|-
| [[Macomb County, Michigan Genealogy|Macomb]]  
| [[Macomb County, Michigan Genealogy|Macomb]]  
| 1818 Mar 11  
| 1818 Mar 11  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MACOMB Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MACOMB Details]  
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Manistee County, Michigan Genealogy|Manistee]]  
| [[Manistee County, Michigan Genealogy|Manistee]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MANISTEE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MANISTEE Details]  
| Mackinac, Ottawa, Oceana  
| Mackinac, Ottawa, Oceana  
| none
| none
|-
|-
| Manitou  
| Manitou  
| 1855 Feb 13  
| 1855 Feb 13  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| dissolved 1895
| dissolved 1895
|-
|-
| [[Marquette County, Michigan Genealogy|Marquette]]  
| [[Marquette County, Michigan Genealogy|Marquette]]  
| 1843 Mar 09  
| 1843 Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MARQUETTE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MARQUETTE Details]  
| Schoolcraft  
| Schoolcraft  
| Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
| Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
|-
|-
| [[Mason County, Michigan Genealogy|Mason]]  
| [[Mason County, Michigan Genealogy|Mason]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MASON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MASON Details]  
| renamed from Notipekago  
| renamed from Notipekago  
| Lake 1871, Osceola 1869
| Lake 1871, Osceola 1869
|-
|-
| [[Mecosta County, Michigan Genealogy|Mecosta]]  
| [[Mecosta County, Michigan Genealogy|Mecosta]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MECOSTA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MECOSTA Details]  
| Kent, Newaygo  
| Kent, Newaygo  
| Clare 1871, Osceola 1869
| Clare 1871, Osceola 1869
|-
|-
| Meegisee  
| Meegisee  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Antrim 1843
| renamed Antrim 1843
|-
|-
| [[Menominee County, Michigan Genealogy|Menominee]]  
| [[Menominee County, Michigan Genealogy|Menominee]]  
| 1863 Mar 19  
| 1863 Mar 19  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]  
| renamed from Bleeker 1861  
| renamed from Bleeker 1861  
| Dickinson 1891, Iron 1885
| Dickinson 1891, Iron 1885
|-
|-
| Michilimackinac  
| Michilimackinac  
| 1818 Oct 26  
| 1818 Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Mackinac 1843
| renamed Mackinac 1843
|-
|-
| [[Midland County, Michigan Genealogy|Midland]]  
| [[Midland County, Michigan Genealogy|Midland]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MIDLAND Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MIDLAND Details]  
| Saginaw  
| Saginaw  
| Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
| Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
|-
|-
| Mikensauk  
| Mikensauk  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Roscommon 1843
| renamed Roscommon 1843
|-
|-
| [[Milwaukee_County,_Wisconsin|Milwaukee]]
| [[Milwaukee County, Wisconsin|Milwaukee]]  
| 1834 Sep 06  
| 1834 Sep 06  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Monroe County, Michigan Genealogy|Monroe]]  
| [[Monroe County, Michigan Genealogy|Monroe]]  
| 1817 Jul 14  
| 1817 Jul 14  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONROE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONROE Details]  
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Montcalm County, Michigan Genealogy|Montcalm]]  
| [[Montcalm County, Michigan Genealogy|Montcalm]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONTCALM Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONTCALM Details]  
| Ionia  
| Ionia  
| none
| none
|-
|-
| [[Montmorency County, Michigan Genealogy|Montmorency]]  
| [[Montmorency County, Michigan Genealogy|Montmorency]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONTMORENCY Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MONTMORENCY Details]  
| renamed from Cheonoguet  
| renamed from Cheonoguet  
| none
| none
|-
|-
| [[Muskegon County, Michigan Genealogy|Muskegon]]  
| [[Muskegon County, Michigan Genealogy|Muskegon]]  
| 859 Feb 04  
| 859 Feb 04  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MUSKEGON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#MUSKEGON Details]  
| Ottawa, Newaygo  
| Ottawa, Newaygo  
| none
| none
|-
|-
| Negwegon (old)  
| Negwegon (old)  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Alcona 1843
| renamed Alcona 1843
|-
|-
| [[Newaygo County, Michigan Genealogy|Newaygo]]  
| [[Newaygo County, Michigan Genealogy|Newaygo]]  
| 1840 Ap 01  
| 1840 Ap 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#NEWAYGO Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#NEWAYGO Details]  
| Kent, Muskegon, Oceana  
| Kent, Muskegon, Oceana  
| Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
| Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
|-
|-
| Notipekago  
| Notipekago  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Mason 1843
| renamed Mason 1843
|-
|-
| [[Oakland County, Michigan Genealogy|Oakland]]  
| [[Oakland County, Michigan Genealogy|Oakland]]  
| 1819 Jan 12  
| 1819 Jan 12  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OAKLAND Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OAKLAND Details]  
| Michigan Territory  
| Michigan Territory  
| Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
| Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
|-
|-
| [[Oceana County, Michigan Genealogy|Oceana]]  
| [[Oceana County, Michigan Genealogy|Oceana]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OCEANA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OCEANA Details]  
| Ottawa  
| Ottawa  
| Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
| Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
|-
|-
| [[Ogemaw County, Michigan Genealogy|Ogemaw]]  
| [[Ogemaw County, Michigan Genealogy|Ogemaw]]  
| 1875 Feb 27  
| 1875 Feb 27  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OGEMAW Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OGEMAW Details]  
| Cheboygan, Midland, Iosco  
| Cheboygan, Midland, Iosco  
| none
| none
|-
|-
| Okkado  
| Okkado  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Otsego 1843
| renamed Otsego 1843
|-
|-
| [[Ontonagon County, Michigan Genealogy|Ontonagon]]  
| [[Ontonagon County, Michigan Genealogy|Ontonagon]]  
| 1848 Apr 03  
| 1848 Apr 03  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ONTONAGON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ONTONAGON Details]  
| Chippewa, Houghton  
| Chippewa, Houghton  
| Gogebic 1881
| Gogebic 1881
|-
|-
| [[Osceola County, Michigan Genealogy|Osceola]]  
| [[Osceola County, Michigan Genealogy|Osceola]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OSCEOLA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OSCEOLA Details]  
| renamed from Unwattin  
| renamed from Unwattin  
| none
| none
|-
|-
| [[Oscoda County, Michigan Genealogy|Oscoda]]  
| [[Oscoda County, Michigan Genealogy|Oscoda]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OSCODA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OSCODA Details]  
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Otsego County, Michigan Genealogy|Otsego]]  
| [[Otsego County, Michigan Genealogy|Otsego]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OTSEGO Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OTSEGO Details]  
| renamed from Okkado  
| renamed from Okkado  
| none
| none
|-
|-
| [[Ottawa County, Michigan Genealogy|Ottawa]]  
| [[Ottawa County, Michigan Genealogy|Ottawa]]  
| 1831 Mar 02  
| 1831 Mar 02  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OTTAWA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#OTTAWA Details]  
| Kent  
| Kent  
| Manistee 1855, Mason 1855
| Manistee 1855, Mason 1855
|-
|-
| [[Presque Isle County, Michigan Genealogy|Presque Isle]]  
| [[Presque Isle County, Michigan Genealogy|Presque Isle]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#PRESQUE ISLE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#PRESQUE ISLE Details]  
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| Reshkaiko  
| Reshkaiko  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Charlevoix 1843
| renamed Charlevoix 1843
|-
|-
| [[Roscommon County, Michigan Genealogy|Roscommon]]  
| [[Roscommon County, Michigan Genealogy|Roscommon]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ROSCOMMON Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ROSCOMMON Details]  
| renamed from Mikenauk  
| renamed from Mikenauk  
| none
| none
|-
|-
| [[Saginaw County, Michigan Genealogy|Saginaw]]  
| [[Saginaw County, Michigan Genealogy|Saginaw]]  
| 1822 Sep 10  
| 1822 Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SAGINAW Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SAGINAW Details]  
| Oakland  
| Oakland  
| Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
| Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
|-
|-
| [[St. Clair County, Michigan Genealogy|St. Clair]]  
| [[St. Clair County, Michigan Genealogy|St. Clair]]  
| 1820 Sep 10  
| 1820 Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ST. CLAIR Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ST. CLAIR Details]  
| Wayne  
| Wayne  
| Huron 1840, Sanilac 1848
| Huron 1840, Sanilac 1848
|-
|-
| [[St. Joseph County, Michigan Genealogy|St. Joseph]]  
| [[St. Joseph County, Michigan Genealogy|St. Joseph]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ST. JOSEPH Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#ST. JOSEPH Details]  
| Wayne  
| Wayne  
| Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
| Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
|-
|-
| [[Sanilac County, Michigan Genealogy|Sanilac]]  
| [[Sanilac County, Michigan Genealogy|Sanilac]]  
| 1822 Sep 10  
| 1822 Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SANILAC Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SANILAC Details]  
| Oakland, St. Clair, Lapeer  
| Oakland, St. Clair, Lapeer  
| Huron 1840, Tuscola 1850
| Huron 1840, Tuscola 1850
|-
|-
| [[Schoolcraft County, Michigan Genealogy|Schoolcraft]]  
| [[Schoolcraft County, Michigan Genealogy|Schoolcraft]]  
| 1843 Mar 09  
| 1843 Mar 09  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SCHOOLCRAFT Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SCHOOLCRAFT Details]  
| Chippewa, Houghton  
| Chippewa, Houghton  
| Alger 1855, Delta 1861, Marquette 1851
| Alger 1855, Delta 1861, Marquette 1851
|-
|-
| [[Shawano County, Wisconsin Genealogy|Shawano]]  
| [[Shawano County, Wisconsin Genealogy|Shawano]]  
| 1818 Oct 26  
| 1818 Oct 26  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SHAWANO Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SHAWANO Details]  
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Shiawassee County, Michigan Genealogy|Shiawassee]]  
| [[Shiawassee County, Michigan Genealogy|Shiawassee]]  
| 1822 Sep 10  
| 1822 Sep 10  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SHIAWASSEE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#SHIAWASSEE Details]  
| Oakland, Genesee  
| Oakland, Genesee  
| Clitnon 1839, Livingston 1836
| Clitnon 1839, Livingston 1836
|-
|-
| Tonedagana  
| Tonedagana  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Emmet 1843
| renamed Emmet 1843
|-
|-
| [[Tuscola County, Michigan Genealogy|Tuscola]]  
| [[Tuscola County, Michigan Genealogy|Tuscola]]  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#TUSCOLA Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#TUSCOLA Details]  
| Sanilac  
| Sanilac  
| none
| none
|-
|-
| Unwattin  
| Unwattin  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Osceola 1843
| renamed Osceola 1843
|-
|-
| [[Van Buren County, Michigan Genealogy|Van Buren]]  
| [[Van Buren County, Michigan Genealogy|Van Buren]]  
| 1829 Oct 29  
| 1829 Oct 29  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#VAN BUREN Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#VAN BUREN Details]  
| Cass  
| Cass  
| none
| none
|-
|-
| Wabasee  
| Wabasee  
| 1840 Apr 01  
| 1840 Apr 01  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm# Details]  
| Michigan Territory  
| Michigan Territory  
| renamed Kalkaska 1843
| renamed Kalkaska 1843
|-
|-
| [[Washtenaw County, Michigan Genealogy|Washtenaw]]  
| [[Washtenaw County, Michigan Genealogy|Washtenaw]]  
| 1822 Nov 20  
| 1822 Nov 20  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WASHTENAW Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WASHTENAW Details]  
| Wayne  
| Wayne  
| Livingston 1836, Ingahm 1829, Jackson 1832
| Livingston 1836, Ingahm 1829, Jackson 1832
|-
|-
| [[Wayne County, Michigan Genealogy|Wayne]]  
| [[Wayne County, Michigan Genealogy|Wayne]]  
| 1796 Aug 18  
| 1796 Aug 18  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WAYNE Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WAYNE Details]  
| Northwest Territory  
| Northwest Territory  
| Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
| Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
|-
|-
| [[Wexford County, Michigan Genealogy|Wexford]]  
| [[Wexford County, Michigan Genealogy|Wexford]]  
| 1843 Mar 08  
| 1843 Mar 08  
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WEXFORD Details]
| [http://publications.newberry.org/ahcbp/documents/MI_Individual_County_Chronologies.htm#WEXFORD Details]  
| renamed from Kautawaubet  
| renamed from Kautawaubet  
| none
| none
|}
|}
 
==References==
{{Reflist}}
[[Category:United_States_County_Creations]]
[[Category:United_States_County_Creations]]

Revision as of 17:38, 5 June 2015


Name of County Date Formed Boundary
Changes
Parent County Counties Created by Boundary Changes
Aishcum 1840 Apr 01 Details Oceana renamed Lake 1843
Alcona 1843 Mar 08 Details renamed from Neewago Oscoda
Alger 1885 Mar 17 Details Schoolcraft none
Allegan 1831 Mar 02 Details Kalamazoo none
Alpena 1843 Mar 08 Details renamed from Anamickee Alcona 1869, Oscoda 1840, Otsego 1840
Anamickee 1840 Apr 01 Details Michigan Territory renamed Alpena 1843
Antrim 1843 Mar 08 Details renamed from Meegisee none
Arenac 1831 Mar 02 Details Bay, Saginaw none
Baraga 1875 Feb 19 Details Houghton none
Barry 1829 Oct 29 Details St. Joseph, Kalamazoo none
Bay 1857 Feb 17 Details Saginaw, Midland Arenac 1831
Benzie 1863 Feb 27 Details Grand Traverse, Leelanau none
Berrien 1829 Oct 29 Details Cass none
Bleeker 1861 1 18 Details Marquette renamed Menominee 1863
Branch 1829 Oct 29 Details Michigan Territory none
Brown 1818 Oct 26 Details Michigan Territory now in State of Wisconsin
Calhoun 1829 Oct 29 Details St. Joseph, Kalamazoo Eaton 1829
Cass 1829 Oct 29 Details Lenawee Berrien 1829, Van Buren 1837
Charlevoix 1843 Mar 08 Details renamed from Reshkaiko none
Cheboygan 1840 Apr 01 Details Mackinac Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
Cheonoquet 1840 Apr 01 Details Michigan Territory renamed Montmorency 1843
Chippewa 1826 Dec 26 Details Mackinac Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
Clare 1843 Mar 08 Details renamed from Kaykakee none
Clinton 1831 Mar 02 Details Shiawassee, Kent Gratiot 1855
Crawford (old) 1818 Oct 26 Details Michigan Territory now in State of Wisconsin
Crawford 1840 Apr 01 Details Michigan Territory
none
Delta 1843 Mar 09 Details Schoolcraft none
Demoine 1833 Jun 01 Details Michigan Territory now in State of Iowa
Dickinson 1851 Jan 15 Details Kossuth Emmet 1851
Dubuque (old) 1834 Sep 06 Details Michigan Territory now in State of Iowa
Eaton 1829 Oct 29 Details St. Joseph, Calhoun, Kalamazoo Ingham 1829
Emmet 1843 Mar 08 Details renamed from Tonedagana Charlevoix 1869
Genesee 1836 Mar 08 Details Oakland none
Gladwin 1831 Mar 02 Details Saginaw, Midland none
Gogebic 1881 Feb 07 Details Ontonagon none
Grand Traverse 1840 Apr 01 TRAVERSE Details Mackinac Antrim 1843, Benzie 1863, Leelanau 1863
Gratiot 1831 Mar 02 Details Saginaw, Clinton none
Hillsdale 1829 Oct 29 Details Lenawee none
Houghton 1845 Mar 09 Details Chippewa Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
Huron 1840 Apr 01 Details Saginaw, St. Clair, Sanilac none
Ingham 1829 Oct 29 Details Washtenaw, Eaton, Jackson none
Ionia 1831 Mar 02 Details Kent Montcalm 1831
Iosco 1843 Mar 08 Details renamed from Kanotin Ogemaw 1875
Iowa 1829 Oct 09 Details Michigan Territory now in State of Wisconsin
Iron 1885 Apr 03 Details Marquette, Menominee none
Isabella 1831 Mar 02 Details Saginaw, Midland Clare 1871
Isle Royal 1875 5 18 Details Keweenaw dissolved 1897, part of Keweenaw
Jackson 1829 Oct 29 Details Washtenaw none
Kalamazoo 1829 Oct 29 Details St. Joseph Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
Kalkaska 1843 Mar 08 Details renamed from Wabasee none
Kanotin 1840 Apr 01 Details Michigan Territory renamed Iosco 1843
Kautawaubet 1840 Apr 01 Details Michigan Territory renamed Wexford 1843
Kaykakee 1840 Apr 01 Details Michigan Territory renamed Clare 1843
Kent 1831 Mar 02 Details Kalamazoo Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
Keweenaw 1861 Mar 11 Details Houghton, Iowa Isle Royal (dissolved 1897)
Lake 1843 Mar 08 Details renamed from Aishcum none
Lapeer 1822 Sep 10 Details Oakland Sanilac 1848
Leelanau 1840 Apr 01 Details Grand Traverse Benzie 1863
Lenawee 1822 Sep 10 Details Indian lands Cass 1829, Hillsdale 1835
Livingston 1836 Mar 24 Details Shiawassee, Washtenaw none
Luce 1887 Mar 01 Details Chippewa, Mackinac none
Mackinac 1843 Mar 08 Details renamed from Michilimackinac Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
Macomb 1818 Mar 11 Details Wayne none
Manistee 1840 Apr 01 Details Mackinac, Ottawa, Oceana none
Manitou 1855 Feb 13 Details Michigan Territory dissolved 1895
Marquette 1843 Mar 09 Details Schoolcraft Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
Mason 1843 Mar 08 Details renamed from Notipekago Lake 1871, Osceola 1869
Mecosta 1840 Apr 01 Details Kent, Newaygo Clare 1871, Osceola 1869
Meegisee 1840 Apr 01 Details Michigan Territory renamed Antrim 1843
Menominee 1863 Mar 19 Details renamed from Bleeker 1861 Dickinson 1891, Iron 1885
Michilimackinac 1818 Oct 26 Details Michigan Territory renamed Mackinac 1843
Midland 1831 Mar 02 Details Saginaw Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
Mikensauk 1840 Apr 01 Details Michigan Territory renamed Roscommon 1843
Milwaukee 1834 Sep 06 Details Michigan Territory now in State of Wisconsin
Monroe 1817 Jul 14 Details Wayne none
Montcalm 1831 Mar 02 Details Ionia none
Montmorency 1843 Mar 08 Details renamed from Cheonoguet none
Muskegon 859 Feb 04 Details Ottawa, Newaygo none
Negwegon (old) 1840 Apr 01 Details Michigan Territory renamed Alcona 1843
Newaygo 1840 Ap 01 Details Kent, Muskegon, Oceana Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
Notipekago 1840 Apr 01 Details Michigan Territory renamed Mason 1843
Oakland 1819 Jan 12 Details Michigan Territory Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
Oceana 1831 Mar 02 Details Ottawa Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
Ogemaw 1875 Feb 27 Details Cheboygan, Midland, Iosco none
Okkado 1840 Apr 01 Details Michigan Territory renamed Otsego 1843
Ontonagon 1848 Apr 03 Details Chippewa, Houghton Gogebic 1881
Osceola 1843 Mar 08 Details renamed from Unwattin none
Oscoda 1840 Apr 01 Details Michigan Territory none
Otsego 1843 Mar 08 Details renamed from Okkado none
Ottawa 1831 Mar 02 Details Kent Manistee 1855, Mason 1855
Presque Isle 1840 Apr 01 ISLE Details Michigan Territory none
Reshkaiko 1840 Apr 01 Details Michigan Territory renamed Charlevoix 1843
Roscommon 1843 Mar 08 Details renamed from Mikenauk none
Saginaw 1822 Sep 10 Details Oakland Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
St. Clair 1820 Sep 10 CLAIR Details Wayne Huron 1840, Sanilac 1848
St. Joseph 1829 Oct 29 JOSEPH Details Wayne Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
Sanilac 1822 Sep 10 Details Oakland, St. Clair, Lapeer Huron 1840, Tuscola 1850
Schoolcraft 1843 Mar 09 Details Chippewa, Houghton Alger 1855, Delta 1861, Marquette 1851
Shawano 1818 Oct 26 Details Michigan Territory now in State of Wisconsin
Shiawassee 1822 Sep 10 Details Oakland, Genesee Clitnon 1839, Livingston 1836
Tonedagana 1840 Apr 01 Details Michigan Territory renamed Emmet 1843
Tuscola 1840 Apr 01 Details Sanilac none
Unwattin 1840 Apr 01 Details Michigan Territory renamed Osceola 1843
Van Buren 1829 Oct 29 BUREN Details Cass none
Wabasee 1840 Apr 01 Details Michigan Territory renamed Kalkaska 1843
Washtenaw 1822 Nov 20 Details Wayne Livingston 1836, Ingahm 1829, Jackson 1832
Wayne 1796 Aug 18 Details Northwest Territory Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
Wexford 1843 Mar 08 Details renamed from Kautawaubet none

References[edit | edit source]

  1. [http://historical-county.newberry.org/website/Michigan/viewer.htm Michigan Atlas of Historical County Boundaries, John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.