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.}}
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{{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="120%" 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%; -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%; -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%; -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%; -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%; -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%; -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%; -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%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;" | '''Progeny County'''
|-
|-
| [[Aishcum County, Michigan|Aishcum]]  
| [[Aishcum County, Michigan|Aishcum]]  
| 1840 Apr 01
| nowrap="nowrap" | 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#AISHCUM  Details]
| Oceana  
| Oceana  
| renamed Lake 1843
| renamed Lake 1843
|-
|-
| [[Alcona County, Michigan|Alcona]]  
| [[Alcona County, Michigan|Alcona]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ALCONA  Details]
| renamed from Neewago  
| renamed from Neewago  
| Oscoda
| Oscoda
|-
|-
| [[Alger County, Michigan|Alger]]  
| [[Alger County, Michigan|Alger]]  
| 1885 Mar 17
| 17 Mar 1885  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ALGER  Details]
| Schoolcraft  
| Schoolcraft  
| none
| none
|-
|-
| [[Allegan County, Michigan|Allegan]]  
| [[Allegan County, Michigan|Allegan]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ALLEGAN  Details]
| Kalamazoo  
| Kalamazoo  
| none
| none
|-
|-
| [[Alpena County, Michigan|Alpena]]  
| [[Alpena County, Michigan|Alpena]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ALPENA  Details]
| nowrap="nowrap" | renamed from Anamickee  
| renamed from Anamickee  
| Alcona 1869, Oscoda 1840, Otsego 1840
| Alcona 1869, Oscoda 1840, Otsego 1840
|-
|-
| Anamickee (now Alpena)
| Anamickee  
| 1840 Apr 01
| 01 Apr 1840  
| |[http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#ALPENA  Details]
| Michigan Territory  
| Michigan Territory  
| renamed Alpena 1843
| renamed Alpena 1843
|-
|-
| [[Antrim County, Michigan|Antrim]]  
| [[Antrim County, Michigan|Antrim]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ANTRIM  Details]
| renamed from Meegisee  
| renamed from Meegisee  
| none
| none
|-
|-
| [[Arenac County, Michigan|Arenac]]  
| [[Arenac County, Michigan|Arenac]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ARENAC  Details]
| Bay, Saginaw  
| Bay, Saginaw  
| none
| none
|-
|-
| [[Baraga County, Michigan|Baraga]]  
| [[Baraga County, Michigan|Baraga]]  
| 1875 Feb19
| 19 Feb 1875  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#BARAGA  Details]
| Houghton  
| Houghton  
| none
| none
|-
|-
| [[Barry County, Michigan|Barry]]  
| [[Barry County, Michigan|Barry]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#BARRY  Details]
| St. Joseph, Kalamazoo  
| St. Joseph, Kalamazoo  
| none
| none
|-
|-
| [[Bay County, Michigan|Bay]]  
| [[Bay County, Michigan|Bay]]  
| 1857 Feb 17
| 17 Feb 1857  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#BAY  Details]
| Saginaw, Midland  
| Saginaw, Midland  
| Arenac 1831
| Arenac 1831
|-
|-
| [[Benzie County, Michigan|Benzie]]  
| [[Benzie County, Michigan|Benzie]]  
| 1863 Feb 27
| 27 Feb 1863  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#BENZIE  Details]
| Grand Traverse, Leelanau  
| Grand Traverse, Leelanau  
| none
| none
|-
|-
| [[Berrien County, Michigan|Berrien]]  
| [[Berrien County, Michigan|Berrien]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#BERRIEN  Details]
| Cass  
| Cass  
| none
| none
|-
|-
| Bleeker (now Menominee)
| Bleeker  
|1861
| 1861  
| |[http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Marquette  
| Marquette  
| renamed Menominee 1863
| renamed Menominee 1863
|-
|-
| [[Branch County, Michigan|Branch]]  
| [[Branch County, Michigan|Branch]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#BRANCH  Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Brown_County,_Wisconsin|Brown]]
| [[Brown_County,_Wisconsin|Brown]]
| 1818 Oct 26
| 26 Oct 1818  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Calhoun County, Michigan|Calhoun]]  
| [[Calhoun County, Michigan|Calhoun]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#CALHOUN  Details]
| St. Joseph, Kalamazoo  
| St. Joseph, Kalamazoo  
| Eaton 1829
| Eaton 1829
|-
|-
| [[Cass County, Michigan|Cass]]  
| [[Cass County, Michigan|Cass]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#CASS  Details]
| Lenawee  
| Lenawee  
| Berrien 1829, Van Buren 1837
| Berrien 1829, Van Buren 1837
|-
|-
| [[Charlevoix County, Michigan|Charlevoix]]  
| [[Charlevoix County, Michigan|Charlevoix]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#CHARLEVOIX  Details]
| renamed from Reshkaiko  
| renamed from Reshkaiko  
| none
| none
|-
|-
| [[Cheboygan County, Michigan|Cheboygan]]  
| [[Cheboygan County, Michigan|Cheboygan]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_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 (now Montmorency)
| Cheonoquet  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Michigan Territory  
| Michigan Territory  
| renamed Montmorency 1843
| renamed Montmorency 1843
|-
|-
| [[Chippewa County, Michigan|Chippewa]]  
| [[Chippewa County, Michigan|Chippewa]]  
| 1826 Dec 26
| 26 Dec 1826  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Clare]]  
| [[Clare County, Michigan|Clare]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#CLARE  Details]
| renamed from Kaykakee  
| renamed from Kaykakee  
| none
| none
|-
|-
| [[Clinton County, Michigan|Clinton]]  
| [[Clinton County, Michigan|Clinton]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#CLINTON  Details]
| Shiawassee, Kent  
| Shiawassee, Kent  
| Gratiot 1855
| Gratiot 1855
|-
|-
| [[Crawford_County,_Wisconsin|Crawford]] (old) (now in WI)
| [[Crawford_County,_Wisconsin|Crawford]] (old)  
| 1818 Oct 26
| 26 Oct 1818  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Crawford County, Michigan|Crawford]]  
| [[Crawford County, Michigan|Crawford]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#CRAWFORD  Details]
| Michigan Territory<br>  
| Michigan Territory<br>  
| none
| none
|-
|-
| [[Delta County, Michigan|Delta]]  
| [[Delta County, Michigan|Delta]]  
| 1843 Mar 09
| 09 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#DELTA  Details]
| Schoolcraft  
| Schoolcraft  
| none
| none
|-
|-
| Demoine (now in Iowa)
| Demoine  
| 1834 Oct 1
| 01 Jun 1833
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Iowa
| now in State of Iowa
|-
|-
| [[Dickinson County, Michigan|Dickinson]]  
| [[Dickinson County, Michigan|Dickinson]]  
| 1851 Jan15
| 15 Jan 1851  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#DICKINSON  Details]
| Kossuth  
| Kossuth  
| Emmet 1851
| Emmet 1851
|-
|-
| [[Dubuque_County,_Iowa|Dubuque]] (old) (now in Iowa)
| [[Dubuque_County,_Iowa|Dubuque]] (old)  
| 1833 Jun 01
| 06 Sep 1834
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Michigan Territory  
| Michigan Territory
| now in State of Iowa
| now in State of Iowa
|-
|-
| [[Eaton County, Michigan|Eaton]]  
| [[Eaton County, Michigan|Eaton]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| nowrap="nowrap" | St. Joseph, Calhoun, Kalamazoo
|Ingham 1829
| Ingham 1829
|-
|-
| [[Emmet County, Michigan|Emmet]]  
| [[Emmet County, Michigan|Emmet]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#EMMET  Details]
| renamed from Tonedagana  
| renamed from Tonedagana  
| Charlevoix 1869
| Charlevoix 1869
|-
|-
| [[Genesee County, Michigan|Genesee]]  
| [[Genesee County, Michigan|Genesee]]  
| 1836 Mar 08
| 08 Mar 1836  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#GENESEE  Details]
| Oakland  
| Oakland  
| none
| none
|-
|-
| [[Gladwin County, Michigan|Gladwin]]  
| [[Gladwin County, Michigan|Gladwin]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#GLADWIN  Details]
| Saginaw, Midland  
| Saginaw, Midland  
| none
| none
|-
|-
| [[Gogebic County, Michigan|Gogebic]]  
| [[Gogebic County, Michigan|Gogebic]]  
| 1881 Feb 07
| 07 Feb 1881  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#GOGEBIC  Details]
| Ontonagon  
| Ontonagon  
| none
| none
|-
|-
| [[Grand Traverse County, Michigan|Grand Traverse]]  
| [[Grand Traverse County, Michigan|Grand Traverse]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#GRAND%20 TRAVERSE  Details]
| Mackinac  
| Mackinac  
| Antrim 1843, Benzie 1863, Leelanau 1863
| Antrim 1843, Benzie 1863, Leelanau 1863
|-
|-
| [[Gratiot County, Michigan|Gratiot]]  
| [[Gratiot County, Michigan|Gratiot]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#GRATIOT  Details]
| Saginaw, Clinton  
| Saginaw, Clinton  
| none
| none
|-
|-
| [[Hillsdale County, Michigan|Hillsdale]]  
| [[Hillsdale County, Michigan|Hillsdale]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#HILLSDALE  Details]
| Lenawee  
| Lenawee  
| none
| none
|-
|-
| [[Houghton County, Michigan|Houghton]]  
| [[Houghton County, Michigan|Houghton]]  
| 1845 Mar 09
| 09 Mar 1845  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Huron]]  
| [[Huron County, Michigan|Huron]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#HURON  Details]
| Saginaw, St. Clair, Sanilac  
| Saginaw, St. Clair, Sanilac  
| none
| none
|-
|-
| [[Ingham County, Michigan|Ingham]]  
| [[Ingham County, Michigan|Ingham]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#INGHAM  Details]
| Washtenaw, Eaton, Jackson  
| Washtenaw, Eaton, Jackson  
| none
| none
|-
|-
| [[Ionia County, Michigan|Ionia]]  
| [[Ionia County, Michigan|Ionia]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#IONIA  Details]
| Kent  
| Kent  
| Montcalm 1831
| Montcalm 1831
|-
|-
| [[Iosco County, Michigan|Iosco]]  
| [[Iosco County, Michigan|Iosco]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#IOSCO  Details]
| renamed from Kanotin  
| renamed from Kanotin  
| Ogemaw 1875
| Ogemaw 1875
|-
|-
| [[Iowa_County,_Wisconsin|Iowa]]  
| [[Iowa_County,_Wisconsin|Iowa]]  
| 1885 Apr 09
| 09 Oct 1829
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Michigan Territory
| renamed from Kanotin
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Iron County, Michigan|Iron]]  
| [[Iron County, Michigan|Iron]]  
| 1885 Apr 03
| 03 Apr 1885  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#IRON  Details]
| Marquette, Menominee  
| Marquette, Menominee  
| none
| none
|-
|-
| [[Isabella County, Michigan|Isabella]]  
| [[Isabella County, Michigan|Isabella]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ISABELLA  Details]
| Saginaw, Midland  
| Saginaw, Midland  
| Clare 1871
| Clare 1871
|-
|-
| Isle Royal (dissolved, part of Keweenaw)
| Isle Royal  
| 1875
| 1875  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MENOMINEE Details]
| Keweenaw  
| Keweenaw  
| dissolved 1897, part of Keweenaw
| dissolved 1897, part of Keweenaw
|-
|-
| [[Jackson County, Michigan|Jackson]]  
| [[Jackson County, Michigan|Jackson]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#JACKSON  Details]
| Washtenaw  
| Washtenaw  
| none
| none
|-
|-
| [[Kalamazoo County, Michigan|Kalamazoo]]  
| [[Kalamazoo County, Michigan|Kalamazoo]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Kalkaska]]  
| [[Kalkaska County, Michigan|Kalkaska]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#KALKASKA  Details]
| renamed from Wabasee  
| renamed from Wabasee  
| none
| none
|-
|-
| Kanotin (now Iosco)
| Kanotin  
|1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#IOSCO  Details]
| Michigan Territory  
| Michigan Territory  
| renamed Iosco 1843
| renamed Iosco 1843
|-
|-
| Kautawaubet (now Wexford)
| Kautawaubet  
|1840 Apr 01
| 01 Apr 1840  
|[http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#WEXFORD Details]
| Michigan Territory  
| Michigan Territory  
| renamed Wexford 1843
| renamed Wexford 1843
|-
|-
| Kaykakee (now Clare)
| Kaykakee  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#CLARE Details]
| Michigan Territory  
| Michigan Territory  
| renamed Clare 1843
| renamed Clare 1843
|-
|-
| [[Kent County, Michigan|Kent]]  
| [[Kent County, Michigan|Kent]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Keweenaw]]  
| [[Keweenaw County, Michigan|Keweenaw]]  
| 1861 Mar 11
| 11 Mar 1861  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#KEWEENAW  Details]
| Houghton, Iowa  
| Houghton, Iowa  
| Isle Royal (dissolved 1897)
| Isle Royal (dissolved 1897)
|-
|-
| [[Lake County, Michigan|Lake]]  
| [[Lake County, Michigan|Lake]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#LAKE  Details]
| renamed from Aishcum  
| renamed from Aishcum  
| none
| none
|-
|-
| [[Lapeer County, Michigan|Lapeer]]  
| [[Lapeer County, Michigan|Lapeer]]  
| 1822 Sep 10
| 10 Sep 1822  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#LAPEER  Details]
| Oakland  
| Oakland  
| Sanilac 1848
| Sanilac 1848
|-
|-
| [[Leelanau County, Michigan|Leelanau]]  
| [[Leelanau County, Michigan|Leelanau]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#LEELANAU  Details]
| Grand Traverse  
| Grand Traverse  
| Benzie 1863
| Benzie 1863
|-
|-
| [[Lenawee County, Michigan|Lenawee]]  
| [[Lenawee County, Michigan|Lenawee]]  
| 1822 Sep 10
| 10 Sep 1822  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#LENAWEE  Details]
| Indian lands  
| Indian lands  
| Cass 1829, Hillsdale 1835
| Cass 1829, Hillsdale 1835
|-
|-
| [[Livingston County, Michigan|Livingston]]  
| [[Livingston County, Michigan|Livingston]]  
| 1836 Mar 24
| 24 Mar 1836  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#LIVINGSTON  Details]
| Shiawassee, Washtenaw  
| Shiawassee, Washtenaw  
| none
| none
|-
|-
| [[Luce County, Michigan|Luce]]  
| [[Luce County, Michigan|Luce]]  
| 1887 Mar 01
| 01 Mar 1887  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#LUCE  Details]
| Chippewa, Mackinac  
| Chippewa, Mackinac  
| none
| none
|-
|-
| [[Mackinac County, Michigan|Mackinac]]  
| [[Mackinac County, Michigan|Mackinac]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Macomb]]  
| [[Macomb County, Michigan|Macomb]]  
| 1818 Mar 11
| 11 Mar 1818  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MACOMB  Details]
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Manistee County, Michigan|Manistee]]  
| [[Manistee County, Michigan|Manistee]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MANISTEE  Details]
| Mackinac, Ottawa, Oceana  
| Mackinac, Ottawa, Oceana  
| none
| none
|-
|-
| Manitou (dissolved)
| Manitou  
| 1855 Feb 13
| 13 Feb 1855  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MANITOU%20%28ext%29 Details]
| Michigan Territory  
| Michigan Territory  
| dissolved 1895
| dissolved 1895
|-
|-
| [[Marquette County, Michigan|Marquette]]  
| [[Marquette County, Michigan|Marquette]]  
| 1843 Mar 09
| 09 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Mason]]  
| [[Mason County, Michigan|Mason]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MASON  Details]
| renamed from Notipekago  
| renamed from Notipekago  
| Lake 1871, Osceola 1869
| Lake 1871, Osceola 1869
|-
|-
| [[Mecosta County, Michigan|Mecosta]]  
| [[Mecosta County, Michigan|Mecosta]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MECOSTA  Details]
| Kent, Newaygo  
| Kent, Newaygo  
| Clare 1871, Osceola 1869
| Clare 1871, Osceola 1869
|-
|-
| Meegisee (now Antrim)
| Meegisee  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#ANTRIM Details]
| Michigan Territory  
| Kent, Newaygo, Michigan Territory  
| renamed Antrim 1843
| renamed Antrim 1843
|-
|-
| [[Menominee County, Michigan|Menominee]]  
| [[Menominee County, Michigan|Menominee]]  
| 1863 Mar 19
| 19 Mar 1863  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MENOMINEE  Details]
| renamed from Bleeker 1861  
| renamed from Bleeker 1861  
| Dickinson 1891, Iron 1885
| Dickinson 1891, Iron 1885
|-
|-
| Michilimackinac (now Mackinac)
| Michilimackinac  
| 1818 Oct 26
| 26 Oct 1818  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MACKINAC Details]
| Michigan Territory  
| Michigan Territory  
| renamed Mackinac 1843
| renamed Mackinac 1843
|-
|-
| [[Midland County, Michigan|Midland]]  
| [[Midland County, Michigan|Midland]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_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 (now Roscommon)
| Mikensauk  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#ROSCOMMON Details]
| Michigan Territory  
| Michigan Territory  
| renamed Roscommon 1843
| renamed Roscommon 1843
|-
|-
| [[Milwaukee_County,_Wisconsin|Milwaukee]]
| [[Milwaukee_County,_Wisconsin|Milwaukee]]
| 1834 Sep 06
| 06 Sep 1834  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MILWAUKEE%20%28Wis.%29 Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Monroe County, Michigan|Monroe]]  
| [[Monroe County, Michigan|Monroe]]  
| 1817 Jul 14
| 14 Jul 1817  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MONROE  Details]
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Montcalm County, Michigan|Montcalm]]  
| [[Montcalm County, Michigan|Montcalm]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MONTCALM  Details]
| Ionia  
| Ionia  
| none
| none
|-
|-
| [[Montmorency County, Michigan|Montmorency]]  
| [[Montmorency County, Michigan|Montmorency]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MONTMORENCY Details]
| renamed from Cheonoguet  
| renamed from Cheonoguet  
| none
| none
|-
|-
| [[Muskegon County, Michigan|Muskegon]]  
| [[Muskegon County, Michigan|Muskegon]]  
| 859 Feb 04
| 04 Feb1 859  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#MUSKEGON Details]
| Ottawa, Newaygo  
| Ottawa, Newaygo  
| none
| none
|-
|-
| Negwegon (old) (now Alcona)
| Negwegon (old)  
| 1840 Apr 01
| 01 Apr 1840  
|[http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#ALCONA Details]
| Michigan Territory  
| Michigan Territory  
| renamed Alcona 1843
| renamed Alcona 1843
|-
|-
| [[Newaygo County, Michigan|Newaygo]]  
| [[Newaygo County, Michigan|Newaygo]]  
| 1840 Apr  04
| 01 Ap 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_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 (now Mason)
| Notipekago  
| 1840 Apr 01
| 01 Apr 1840  
|[http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#MASON Details]
| Michigan Territory  
| Kent, Muskegon, Oceana, Michigan Territory
| renamed Mason 1843
| renamed Mason 1843
|-
|-
| [[Oakland County, Michigan|Oakland]]  
| [[Oakland County, Michigan|Oakland]]  
| 1819 Jan 12
| 12 Jan 1819  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Oceana]]  
| [[Oceana County, Michigan|Oceana]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Ogemaw]]  
| [[Ogemaw County, Michigan|Ogemaw]]  
| 1875 Feb 27
| 27 Feb 1875  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#OGEMAW  Details]
| Cheboygan, Midland, Iosco  
| Cheboygan, Midland, Iosco  
| none
| none
|-
|-
| Okkado (now Otsego)
| Okkado  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#OTSEGO Details] 
| Michigan Territory  
| Michigan Territory  
| renamed Otsego 1843
| renamed Otsego 1843
|-
|-
| [[Ontonagon County, Michigan|Ontonagon]]  
| [[Ontonagon County, Michigan|Ontonagon]]  
| 1848 Apr 03
| 03 Apr 1848  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ONTONAGON  Details]
| Chippewa, Houghton  
| Chippewa, Houghton  
| Gogebic 1881
| Gogebic 1881
|-
|-
| [[Osceola County, Michigan|Osceola]]  
| [[Osceola County, Michigan|Osceola]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#OSCEOLA  Details]
| renamed from Unwattin  
| renamed from Unwattin  
| none
| none
|-
|-
| [[Oscoda County, Michigan|Oscoda]]  
| [[Oscoda County, Michigan|Oscoda]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#OSCODA  Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Otsego County, Michigan|Otsego]]  
| [[Otsego County, Michigan|Otsego]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#OTSEGO  Details]
| renamed from Okkado  
| renamed from Okkado  
| none
| none
|-
|-
| [[Ottawa County, Michigan|Ottawa]]  
| [[Ottawa County, Michigan|Ottawa]]  
| 1831 Mar 02
| 02 Mar 1831  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#OTTAWA  Details]
| Kent  
| Kent  
| Manistee 1855, Mason 1855
| Manistee 1855, Mason 1855
|-
|-
| [[Presque Isle County, Michigan|Presque Isle]]  
| [[Presque Isle County, Michigan|Presque Isle]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#PRESQUE%20 ISLE  Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| Reshkaiko (now Charleviox)
| Reshkaiko  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#CHARLEVOIX Details]
| Michigan Territory  
| Michigan Territory  
| renamed Charlevoix 1843
| renamed Charlevoix 1843
|-
|-
| [[Roscommon County, Michigan|Roscommon]]  
| [[Roscommon County, Michigan|Roscommon]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ROSCOMMON  Details]
| renamed from Mikenauk  
| renamed from Mikenauk  
| none
| none
|-
|-
| [[Saginaw County, Michigan|Saginaw]]  
| [[Saginaw County, Michigan|Saginaw]]  
| 1822 Sep 10
| 10 Sep 1822  
| [http://publications.newberry.org/ahcbp/documents/IL_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|St. Clair]]  
| [[St. Clair County, Michigan|St. Clair]]  
| 1820 Sep 10
| 10 Sep 1820  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ST.%20 CLAIR  Details]
| Wayne  
| Wayne  
| Huron 1840, Sanilac 1848
| Huron 1840, Sanilac 1848
|-
|-
| [[St. Joseph County, Michigan|St. Joseph]]  
| [[St. Joseph County, Michigan|St. Joseph]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#ST.%20 JOSEPH  Details]
| Wayne  
| Wayne  
| Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
| Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
|-
|-
| [[Sanilac County, Michigan|Sanilac]]  
| [[Sanilac County, Michigan|Sanilac]]  
| 1840  Apr 10
| 10 Sep 1822
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#AISHCUM  Details]
| Oakland, St. Clair, Lapeer  
| Oakland, St. Clair, Lapeer  
| Huron 1840, Tuscola 1850
| Huron 1840, Tuscola 1850
|-
|-
| [[Schoolcraft County, Michigan|Schoolcraft]]  
| [[Schoolcraft County, Michigan|Schoolcraft]]  
| 1843 Mar 09
| 09 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Shawano]]  
| [[Shawano County, Wisconsin|Shawano]]  
| 1818 Oct 26
| 26 Oct 1818  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#SHAWANO  Details]
| Michigan Territory  
| Michigan Territory  
| now in State of Wisconsin
| now in State of Wisconsin
|-
|-
| [[Shiawassee County, Michigan|Shiawassee]]  
| [[Shiawassee County, Michigan|Shiawassee]]  
| 1822 Sep 10
| 10 Sep 1822  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#SHIAWASSEE  Details]
| Oakland, Genesee  
| Oakland, Genesee  
| Clitnon 1839, Livingston 1836
| Clitnon 1839, Livingston 1836
|-
|-
| Tonedagana (now Emmet)
| Tonedagana  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#EMMET Details]
| Michigan Territory  
| Michigan Territory  
| renamed Emmet 1843
| renamed Emmet 1843
|-
|-
| [[Tuscola County, Michigan|Tuscola]]  
| [[Tuscola County, Michigan|Tuscola]]  
| 1840 Apr 01
| 01 Apr 1840  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#TUSCOLA Details]
| Sanilac  
| Sanilac  
| none
| none
|-
|-
| Unwattin (now Osceloa)
| Unwattin  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#OSCEOLA Details]
| Michigan Territory  
| Michigan Territory  
| renamed Osceola 1843
| renamed Osceola 1843
|-
|-
| [[Van Buren County, Michigan|Van Buren]]  
| [[Van Buren County, Michigan|Van Buren]]  
| 1829 Oct 29
| 29 Oct 1829  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#VAN BUREN  Details]
| Cass  
| Cass  
| none
| none
|-
|-
| Wabasee (now Kalkaska)
| Wabasee  
| 1840 Apr 01
| 01 Apr 1840  
| [http://historical-county.newberry.org/website/Michigan/documents/MI_Individual_County_Chronologies.htm#KALKASKA Details]
| Michigan Territory  
| Michigan Territory  
| renamed Kalkaska 1843
| renamed Kalkaska 1843
|-
|-
| [[Washtenaw County, Michigan|Washtenaw]]  
| [[Washtenaw County, Michigan|Washtenaw]]  
| 1822 Nov 20
| 20 Nov 1822  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#WASHTENAW  Details]
| Wayne  
| Wayne  
| Livingston 1836, Ingahm 1829, Jackson 1832
| Livingston 1836, Ingahm 1829, Jackson 1832
|-
|-
| [[Wayne County, Michigan|Wayne]]  
| [[Wayne County, Michigan|Wayne]]  
| 1796 Aug 18
| 18 Aug 1796  
| [http://publications.newberry.org/ahcbp/documents/IL_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|Wexford]]  
| [[Wexford County, Michigan|Wexford]]  
| 1843 Mar 08
| 08 Mar 1843  
| [http://publications.newberry.org/ahcbp/documents/IL_Individual_County_Chronologies.htm#WEXFORD  Details]
| renamed from Kautawaubet  
| renamed from Kautawaubet  
| none
| none
|}
|}
0
 
[[Category:United_States_County_Creations]]
[[Category:United_States_County_Creations]]

Revision as of 18:55, 30 May 2014

Name of County Date Formed Parent County Progeny County
Aishcum 01 Apr 1840 Oceana renamed Lake 1843
Alcona 08 Mar 1843 renamed from Neewago Oscoda
Alger 17 Mar 1885 Schoolcraft none
Allegan 02 Mar 1831 Kalamazoo none
Alpena 08 Mar 1843 renamed from Anamickee Alcona 1869, Oscoda 1840, Otsego 1840
Anamickee 01 Apr 1840 Michigan Territory renamed Alpena 1843
Antrim 08 Mar 1843 renamed from Meegisee none
Arenac 02 Mar 1831 Bay, Saginaw none
Baraga 19 Feb 1875 Houghton none
Barry 29 Oct 1829 St. Joseph, Kalamazoo none
Bay 17 Feb 1857 Saginaw, Midland Arenac 1831
Benzie 27 Feb 1863 Grand Traverse, Leelanau none
Berrien 29 Oct 1829 Cass none
Bleeker 1861 Marquette renamed Menominee 1863
Branch 29 Oct 1829 Michigan Territory none
Brown 26 Oct 1818 Michigan Territory now in State of Wisconsin
Calhoun 29 Oct 1829 St. Joseph, Kalamazoo Eaton 1829
Cass 29 Oct 1829 Lenawee Berrien 1829, Van Buren 1837
Charlevoix 08 Mar 1843 renamed from Reshkaiko none
Cheboygan 01 Apr 1840 Mackinac Alcona 1859, Alpena 1857, Forrest 1913, Iosco 1857, Ogemaw 1875, Oscoda 1840, Otsego 1840
Cheonoquet 01 Apr 1840 Michigan Territory renamed Montmorency 1843
Chippewa 26 Dec 1826 Mackinac Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
Clare 08 Mar 1843 renamed from Kaykakee none
Clinton 02 Mar 1831 Shiawassee, Kent Gratiot 1855
Crawford (old) 26 Oct 1818 Michigan Territory now in State of Wisconsin
Crawford 01 Apr 1840 Michigan Territory
 none
Delta 09 Mar 1843 Schoolcraft none
Demoine 01 Jun 1833 Michigan Territory now in State of Iowa
Dickinson 15 Jan 1851 Kossuth Emmet 1851
Dubuque (old) 06 Sep 1834 Michigan Territory now in State of Iowa
Eaton 29 Oct 1829 St. Joseph, Calhoun, Kalamazoo Ingham 1829
Emmet 08 Mar 1843 renamed from Tonedagana Charlevoix 1869
Genesee 08 Mar 1836 Oakland none
Gladwin 02 Mar 1831 Saginaw, Midland none
Gogebic 07 Feb 1881 Ontonagon none
Grand Traverse 01 Apr 1840 Mackinac Antrim 1843, Benzie 1863, Leelanau 1863
Gratiot 02 Mar 1831 Saginaw, Clinton none
Hillsdale 29 Oct 1829 Lenawee none
Houghton 09 Mar 1845 Chippewa Baraga 1875, Keweenaw 1861, Ontonagon 1848, Schoolcraft 1848
Huron 01 Apr 1840 Saginaw, St. Clair, Sanilac none
Ingham 29 Oct 1829 Washtenaw, Eaton, Jackson none
Ionia 02 Mar 1831 Kent Montcalm 1831
Iosco 08 Mar 1843 renamed from Kanotin Ogemaw 1875
Iowa 09 Oct 1829 Michigan Territory now in State of Wisconsin
Iron 03 Apr 1885 Marquette, Menominee none
Isabella 02 Mar 1831 Saginaw, Midland Clare 1871
Isle Royal 1875 Keweenaw dissolved 1897, part of Keweenaw
Jackson 29 Oct 1829 Washtenaw none
Kalamazoo 29 Oct 1829 St. Joseph Allegan 1835, Barry 1829, Calhoun 1829, Eaton 1829, Kent 1836
Kalkaska 08 Mar 1843 renamed from Wabasee none
Kanotin 01 Apr 1840 Michigan Territory renamed Iosco 1843
Kautawaubet 01 Apr 1840 Michigan Territory renamed Wexford 1843
Kaykakee 01 Apr 1840 Michigan Territory renamed Clare 1843
Kent 02 Mar 1831 Kalamazoo Clinton 1839, Ionia 1831, Mecosta 1859, Newaygo 1840, Ottawa 1837
Keweenaw 11 Mar 1861 Houghton, Iowa Isle Royal (dissolved 1897)
Lake 08 Mar 1843 renamed from Aishcum none
Lapeer 10 Sep 1822 Oakland Sanilac 1848
Leelanau 01 Apr 1840 Grand Traverse Benzie 1863
Lenawee 10 Sep 1822 Indian lands Cass 1829, Hillsdale 1835
Livingston 24 Mar 1836 Shiawassee, Washtenaw none
Luce 01 Mar 1887 Chippewa, Mackinac none
Mackinac 08 Mar 1843 renamed from Michilimackinac Cheboygan 1840, Chippewa 1826, Emmet 1853, Grand Traverse 1840, Luce 1887, Manistee 1855, Otsego 1840
Macomb 11 Mar 1818 Wayne none
Manistee 01 Apr 1840 Mackinac, Ottawa, Oceana none
Manitou 13 Feb 1855 Michigan Territory dissolved 1895
Marquette 09 Mar 1843 Schoolcraft Dickinson 1891, Iron 1885, Menominee 1863, Washington 1867
Mason 08 Mar 1843 renamed from Notipekago Lake 1871, Osceola 1869
Mecosta 01 Apr 1840 Kent, Newaygo Clare 1871, Osceola 1869
Meegisee 01 Apr 1840 Michigan Territory renamed Antrim 1843
Menominee 19 Mar 1863 renamed from Bleeker 1861 Dickinson 1891, Iron 1885
Michilimackinac 26 Oct 1818 Michigan Territory renamed Mackinac 1843
Midland 02 Mar 1831 Saginaw Bay 1857, Clare 1871, Gladwin 1855, Isabella 1831, Ogemaw 1875
Mikensauk 01 Apr 1840 Michigan Territory renamed Roscommon 1843
Milwaukee 06 Sep 1834 Michigan Territory now in State of Wisconsin
Monroe 14 Jul 1817 Wayne none
Montcalm 02 Mar 1831 Ionia none
Montmorency 08 Mar 1843 renamed from Cheonoguet none
Muskegon 04 Feb1 859 Ottawa, Newaygo none
Negwegon (old) 01 Apr 1840 Michigan Territory renamed Alcona 1843
Newaygo 01 Ap 1840 Kent, Muskegon, Oceana Lake 1871, Mecosta 1854, Osceola 1869, Muskegon 1859
Notipekago 01 Apr 1840 Michigan Territory renamed Mason 1843
Oakland 12 Jan 1819 Michigan Territory Genesee 1836, lapeer 1835, Sanilac 1848, Saginaw 1822, Shaiwassee 1822
Oceana 02 Mar 1831 Ottawa Lake 1871, Manistee 1855, Mason 1855, Newaygo 1840
Ogemaw 27 Feb 1875 Cheboygan, Midland, Iosco none
Okkado 01 Apr 1840 Michigan Territory renamed Otsego 1843
Ontonagon 03 Apr 1848 Chippewa, Houghton Gogebic 1881
Osceola 08 Mar 1843 renamed from Unwattin none
Oscoda 01 Apr 1840 Michigan Territory none
Otsego 08 Mar 1843 renamed from Okkado none
Ottawa 02 Mar 1831 Kent Manistee 1855, Mason 1855
Presque Isle 01 Apr 1840 Michigan Territory none
Reshkaiko 01 Apr 1840 Michigan Territory renamed Charlevoix 1843
Roscommon 08 Mar 1843 renamed from Mikenauk none
Saginaw 10 Sep 1822 Oakland Arenac 1883, Bay 1857, Gladwin 1855, Gratiot 1855, Huron 1840, Iosco 1857, Isabella 1831, Midland 1850
St. Clair 10 Sep 1820 Wayne Huron 1840, Sanilac 1848
St. Joseph 29 Oct 1829 Wayne Barry 1829, Calhoun 1829, Eaton 1829, Kalamazoo 1829
Sanilac 10 Sep 1822 Oakland, St. Clair, Lapeer Huron 1840, Tuscola 1850
Schoolcraft 09 Mar 1843 Chippewa, Houghton Alger 1855, Delta 1861, Marquette 1851
Shawano 26 Oct 1818 Michigan Territory now in State of Wisconsin
Shiawassee 10 Sep 1822 Oakland, Genesee Clitnon 1839, Livingston 1836
Tonedagana 01 Apr 1840 Michigan Territory renamed Emmet 1843
Tuscola 01 Apr 1840 Sanilac none
Unwattin 01 Apr 1840 Michigan Territory renamed Osceola 1843
Van Buren 29 Oct 1829 Cass none
Wabasee 01 Apr 1840 Michigan Territory renamed Kalkaska 1843
Washtenaw 20 Nov 1822 Wayne Livingston 1836, Ingahm 1829, Jackson 1832
Wayne 18 Aug 1796 Northwest Territory Michilimackinac 1818, Macomb 1818, Monroe 1817, St. Clair 1820, St. Joseph 1820, Washtenaw 1826
Wexford 08 Mar 1843 renamed from Kautawaubet none
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