Michigan County Creation Dates and Parent Counties: Difference between revisions

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{{Note|See an interactive outline map of [https://digital.newberry.org/ahcb/map/map.html#MI ''Michigan Historical Counties''] at Newberry Library site.<ref>[https://digital.newberry.org/ahcb/pages/Michigan.html ''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> Select a year and the map will display the historical county boundaries. Click on map image for county details.}}
{| border="1"
 
<br> {{Tip|Sort the table by '''Date Formed''' or by '''Parent Counties''' and check [https://digital.newberry.org/ahcb/documents/MI_County_Index.htm Boundary Changes] for interesting insights.}}
 
{| width="100%" border="1" class="sortable"
|-
|-
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Name of County'''  
| style="background: rgb(240,240,240); moz-background-clip: -moz-initial; moz-background-origin: -moz-initial; moz-background-inline-policy: -moz-initial" align="center" | '''Name of County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Date Formed'''  
| style="background: rgb(240,240,240); moz-background-clip: -moz-initial; moz-background-origin: -moz-initial; moz-background-inline-policy: -moz-initial" align="center" | '''Date Formed'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Boundary<br>Changes'''
| style="background: rgb(240,240,240); moz-background-clip: -moz-initial; moz-background-origin: -moz-initial; moz-background-inline-policy: -moz-initial" align="center" | '''Parent County'''  
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Parent County'''  
| style="background: rgb(240,240,240); moz-background-clip: -moz-initial; moz-background-origin: -moz-initial; moz-background-inline-policy: -moz-initial" align="center" | '''Progeny County'''
| align="center" style="background: rgb(240, 240, 240) none repeat scroll 0% 0%;" | '''Counties Created by Boundary Changes'''
|-
|-
| [[Aishcum County, Michigan Genealogy|Aishcum]]  
| [[Gratiot_County,_Michigan|Aishcum]]
| 1840 Apr 01
| nowrap="nowrap" | [[Gratiot_County,_Michigan|01 Apr 1840]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#AISHCUM Details]  
| [[Gratiot_County,_Michigan|Oceana]]
| Oceana
| [[Gratiot_County,_Michigan|renamed Lake 1843]]
| renamed Lake 1843
|-
|-
| [[Alcona County, Michigan Genealogy|Alcona]]  
| [[Gratiot_County,_Michigan|Alcona]]
| 1843 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ALCONA Details]
| [[Gratiot_County,_Michigan|renamed from Neewago]]
| renamed from Neewago  
| [[Gratiot_County,_Michigan|Oscoda]]
| Oscoda
|-
|-
| [[Alger County, Michigan Genealogy|Alger]]  
| [[Gratiot_County,_Michigan|Alger]]
| 1885 Mar 17
| [[Gratiot_County,_Michigan|17 Mar 1885]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ALGER Details]  
| [[Gratiot_County,_Michigan|Schoolcraft]]
| Schoolcraft
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Allegan County, Michigan Genealogy|Allegan]]  
| [[Gratiot_County,_Michigan|Allegan]]
| 1831 Mar 02
| [[Gratiot_County,_Michigan|02 Mar 1831]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ALLEGAN Details]  
| [[Gratiot_County,_Michigan|Kalamazoo]]
| Kalamazoo
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Alpena County, Michigan Genealogy|Alpena]]  
| [[Gratiot_County,_Michigan|Alpena]]
| 1843 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ALPENA Details]
| nowrap="nowrap" | [[Gratiot_County,_Michigan|renamed from Anamickee]]
| renamed from Anamickee  
| [[Gratiot_County,_Michigan|Alcona 1869, Oscoda 1840, Otsego 1840]]
| Alcona 1869, Oscoda 1840, Otsego 1840
|-
|-
| Anamickee  
| [[Gratiot_County,_Michigan|Anamickee]]
| 1840 Apr 01
| [[Gratiot_County,_Michigan|01 Apr 1840]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|renamed Alpena 1843]]
| renamed Alpena 1843
|-
|-
| [[Antrim County, Michigan Genealogy|Antrim]]  
| [[Gratiot_County,_Michigan|Antrim]]
| 1843 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ANTRIM Details]
| [[Gratiot_County,_Michigan|renamed from Meegisee]]
| renamed from Meegisee  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Arenac County, Michigan Genealogy|Arenac]]  
| [[Gratiot_County,_Michigan|Arenac]]
| 1831 Mar 02
| [[Gratiot_County,_Michigan|02 Mar 1831]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ARENAC Details]
| [[Gratiot_County,_Michigan|Bay, Saginaw]]
| Bay, Saginaw  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Baraga County, Michigan Genealogy|Baraga]]  
| [[Gratiot_County,_Michigan|Baraga]]
| 1875 Feb 19
| [[Gratiot_County,_Michigan|19 Feb 1875]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#BARAGA Details]  
| [[Gratiot_County,_Michigan|Houghton]]
| Houghton
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Barry County, Michigan Genealogy|Barry]]  
| [[Gratiot_County,_Michigan|Barry]]
| 1829 Oct 29
| [[Gratiot_County,_Michigan|29 Oct 1829]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#BARRY Details]
| [[Gratiot_County,_Michigan|St. Joseph, Kalamazoo]]
| St. Joseph, Kalamazoo  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Bay County, Michigan Genealogy|Bay]]  
| [[Gratiot_County,_Michigan|Bay]]
| 1857 Feb 17
| [[Gratiot_County,_Michigan|17 Feb 1857]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#BAY Details]
| [[Gratiot_County,_Michigan|Saginaw, Midland]]
| Saginaw, Midland  
| [[Gratiot_County,_Michigan|Arenac 1831]]
| Arenac 1831
|-
|-
| [[Benzie County, Michigan Genealogy|Benzie]]  
| [[Gratiot_County,_Michigan|Benzie]]
| 1863 Feb 27
| [[Gratiot_County,_Michigan|27 Feb 1863]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#BENZIE Details]
| [[Gratiot_County,_Michigan|Grand Traverse, Leelanau]]
| Grand Traverse, Leelanau  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Berrien County, Michigan Genealogy|Berrien]]  
| [[Gratiot_County,_Michigan|Berrien]]
| 1829 Oct 29
| [[Gratiot_County,_Michigan|29 Oct 1829]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#BERRIEN Details]  
| [[Gratiot_County,_Michigan|Cass]]
| Cass
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| Bleeker  
| [[Gratiot_County,_Michigan|Bleeker]]
| 1861 1 18
| [[Gratiot_County,_Michigan|1861]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]  
| [[Gratiot_County,_Michigan|Marquette]]
| Marquette
| [[Gratiot_County,_Michigan|renamed Menominee 1863]]
| renamed Menominee 1863
|-
|-
| [[Branch County, Michigan Genealogy|Branch]]  
| [[Gratiot_County,_Michigan|Branch]]
| 1829 Oct 29
| [[Gratiot_County,_Michigan|29 Oct 1829]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#BRANCH Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Brown County, Wisconsin|Brown]]  
| [[Gratiot_County,_Michigan|Brown]]
| 1818 Oct 26
| [[Gratiot_County,_Michigan|26 Oct 1818]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|now in State of Wisconsin]]
| now in State of Wisconsin
|-
|-
| [[Calhoun County, Michigan Genealogy|Calhoun]]  
| [[Gratiot_County,_Michigan|Calhoun]]
| 1829 Oct 29
| [[Gratiot_County,_Michigan|29 Oct 1829]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CALHOUN Details]
| [[Gratiot_County,_Michigan|St. Joseph, Kalamazoo]]
| St. Joseph, Kalamazoo  
| [[Gratiot_County,_Michigan|Eaton 1829]]
| Eaton 1829
|-
|-
| [[Cass County, Michigan Genealogy|Cass]]  
| [[Gratiot_County,_Michigan|Cass]]
| 1829 Oct 29
| [[Gratiot_County,_Michigan|29 Oct 1829]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CASS Details]  
| [[Gratiot_County,_Michigan|Lenawee]]
| Lenawee
| [[Gratiot_County,_Michigan|Berrien 1829, Van Buren 1837]]
| Berrien 1829, Van Buren 1837
|-
|-
| [[Charlevoix County, Michigan Genealogy|Charlevoix]]  
| [[Gratiot_County,_Michigan|Charlevoix]]
| 1843 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CHARLEVOIX Details]
| [[Gratiot_County,_Michigan|renamed from Reshkaiko]]
| renamed from Reshkaiko  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Cheboygan County, Michigan Genealogy|Cheboygan]]  
| [[Gratiot_County,_Michigan|Cheboygan]]
| 1840 Apr 01
| [[Gratiot_County,_Michigan|01 Apr 1840]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CHEBOYGAN Details]  
| [[Gratiot_County,_Michigan|Mackinac]]
| Mackinac
| [[Gratiot_County,_Michigan|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  
| [[Gratiot_County,_Michigan|Cheonoquet]]
| 1840 Apr 01
| [[Gratiot_County,_Michigan|01 Apr 1840]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|renamed Montmorency 1843]]
| renamed Montmorency 1843
|-
|-
| [[Chippewa County, Michigan Genealogy|Chippewa]]  
| [[Gratiot_County,_Michigan|Chippewa]]
| 1826 Dec 26
| [[Gratiot_County,_Michigan|26 Dec 1826]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CHIPPEWA Details]  
| [[Gratiot_County,_Michigan|Mackinac]]
| Mackinac
| [[Gratiot_County,_Michigan|Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848]]
| Houghton 1845, Luce 1887, Ontonagon 1848, Schoolcraft 1848
|-
|-
| [[Clare County, Michigan Genealogy|Clare]]  
| [[Gratiot_County,_Michigan|Clare]]
| 1843 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CLARE Details]
| [[Gratiot_County,_Michigan|renamed from Kaykakee]]
| renamed from Kaykakee  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Clinton County, Michigan Genealogy|Clinton]]  
| [[Gratiot_County,_Michigan|Clinton]]
| 1831 Mar 02
| [[Gratiot_County,_Michigan|02 Mar 1831]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CLINTON Details]
| [[Gratiot_County,_Michigan|Shiawassee, Kent]]
| Shiawassee, Kent  
| [[Gratiot_County,_Michigan|Gratiot 1855]]
| Gratiot 1855
|-
|-
| [[Crawford County, Wisconsin|Crawford]] (old)  
| [[Gratiot_County,_Michigan|Crawford (old)]]
| 1818 Oct 26
| [[Gratiot_County,_Michigan|26 Oct 1818]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|now in State of Wisconsin]]
| now in State of Wisconsin
|-
|-
| [[Crawford County, Michigan Genealogy|Crawford]]  
| [[Gratiot_County,_Michigan|Crawford]]
| 1840 Apr 01
| [[Gratiot_County,_Michigan|01 Apr 1840]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#CRAWFORD Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]<br>
| Michigan Territory<br>  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Delta County, Michigan Genealogy|Delta]]  
| [[Gratiot_County,_Michigan|Delta]]
| 1843 Mar 09
| [[Gratiot_County,_Michigan|09 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#DELTA Details]  
| [[Gratiot_County,_Michigan|Schoolcraft]]
| Schoolcraft
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| Demoine  
| [[Gratiot_County,_Michigan|Demoine]]
| 1833 Jun 01
| [[Gratiot_County,_Michigan|01 Jun 1833]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|now in State of Iowa]]
| now in State of Iowa
|-
|-
| [[Dickinson County, Michigan Genealogy|Dickinson]]  
| [[Gratiot_County,_Michigan|Dickinson]]
| 1851 Jan 15
| [[Gratiot_County,_Michigan|15 Jan 1851]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#DICKINSON Details]  
| [[Gratiot_County,_Michigan|Kossuth]]
| Kossuth
| [[Gratiot_County,_Michigan|Emmet 1851]]
| Emmet 1851
|-
|-
| [[Dubuque County, Iowa|Dubuque]] (old)  
| [[Gratiot_County,_Michigan|Dubuque (old)]]
| 1834 Sep 06
| [[Gratiot_County,_Michigan|06 Sep 1834]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| [[Gratiot_County,_Michigan|Michigan Territory]]
| Michigan Territory  
| [[Gratiot_County,_Michigan|now in State of Iowa]]
| now in State of Iowa
|-
|-
| [[Eaton County, Michigan Genealogy|Eaton]]  
| [[Gratiot_County,_Michigan|Eaton]]
| 1829 Oct 29
| [[Gratiot_County,_Michigan|29 Oct 1829]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#EATON Details]
| nowrap="nowrap" | [[Gratiot_County,_Michigan|St. Joseph, Calhoun, Kalamazoo]]
| St. Joseph, Calhoun, Kalamazoo  
| [[Gratiot_County,_Michigan|Ingham 1829]]
| Ingham 1829
|-
|-
| [[Emmet County, Michigan Genealogy|Emmet]]  
| [[Gratiot_County,_Michigan|Emmet]]
| 1843 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1843]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#EMMET Details]
| [[Gratiot_County,_Michigan|renamed from Tonedagana]]
| renamed from Tonedagana  
| [[Gratiot_County,_Michigan|Charlevoix 1869]]
| Charlevoix 1869
|-
|-
| [[Genesee County, Michigan Genealogy|Genesee]]  
| [[Gratiot_County,_Michigan|Genesee]]
| 1836 Mar 08
| [[Gratiot_County,_Michigan|08 Mar 1836]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#GENESEE Details]  
| [[Gratiot_County,_Michigan|Oakland]]
| Oakland
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Gladwin County, Michigan Genealogy|Gladwin]]  
| [[Gratiot_County,_Michigan|Gladwin]]
| 1831 Mar 02
| [[Gratiot_County,_Michigan|02 Mar 1831]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#GLADWIN Details]
| [[Gratiot_County,_Michigan|Saginaw, Midland]]
| Saginaw, Midland  
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Gogebic County, Michigan Genealogy|Gogebic]]  
| [[Gratiot_County,_Michigan|Gogebic]]
| 1881 Feb 07
| [[Gratiot_County,_Michigan|07 Feb 1881]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#GOGEBIC Details]  
| [[Gratiot_County,_Michigan|Ontonagon]]
| Ontonagon
| [[Gratiot_County,_Michigan|none]]
| none
|-
|-
| [[Grand Traverse County, Michigan Genealogy|Grand Traverse]]  
| [[Gratiot_County,_Michigan|Grand Traverse]]
| 1840 Apr 01
| [[Gratiot_County,_Michigan|01 Apr 1840]]
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#GRAND TRAVERSE Details]  
| [[Gratiot_County,_Michigan|Mackinac]]
| Mackinac
| [[Gratiot_County,_Michigan|Antrim 1843, Benzie 1863, Leelanau 1863]]
| Antrim 1843, Benzie 1863, Leelanau 1863
|-
|-
| [[Gratiot County, Michigan Genealogy|Gratiot]]  
| [[Gratiot_County,_Michigan|Gratiot]]  
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#GRATIOT Details]
| Saginaw, Clinton  
| Saginaw, Clinton  
| none
| none
|-
|-
| [[Hillsdale County, Michigan Genealogy|Hillsdale]]  
| [[Hillsdale_County,_Michigan|Hillsdale]]
| 1829 Oct 29
| 29 Oct 1829  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#HILLSDALE Details]
| Lenawee  
| Lenawee  
| none
| none
|-
|-
| [[Houghton County, Michigan Genealogy|Houghton]]  
| [[Houghton_County,_Michigan|Houghton]]
| 1845 Mar 09
| 09 Mar 1845  
| [https://digital.newberry.org/ahcb/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|Huron]]
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Ingham]]
| 1829 Oct 29
| 29 Oct 1829  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#INGHAM Details]
| Washtenaw, Eaton, Jackson  
| Washtenaw, Eaton, Jackson  
| none
| none
|-
|-
| [[Ionia County, Michigan Genealogy|Ionia]]  
| [[Ionia_County,_Michigan|Ionia]]
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#IONIA Details]
| Kent  
| Kent  
| Montcalm 1831
| Montcalm 1831
|-
|-
| [[Iosco County, Michigan Genealogy|Iosco]]  
| [[Iosco_County,_Michigan|Iosco]]  
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#IOSCO Details]
| renamed from Kanotin  
| renamed from Kanotin  
| Ogemaw 1875
| Ogemaw 1875
|-
|-
| [[Iowa County, Wisconsin|Iowa]]
| Iowa  
| 1829 Oct 09
| 09 Oct 1829  
| [https://digital.newberry.org/ahcb/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|Iron]]
| 1885 Apr 03
| 03 Apr 1885  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#IRON Details]
| Marquette, Menominee  
| Marquette, Menominee  
| none
| none
|-
|-
| [[Isabella County, Michigan Genealogy|Isabella]]  
| [[Isabella_County,_Michigan|Isabella]]
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ISABELLA Details]
| Saginaw, Midland  
| Saginaw, Midland  
| Clare 1871
| Clare 1871
|-
|-
| Isle Royal  
| Isle Royal  
| 1875 5 18
| 1875  
| [https://digital.newberry.org/ahcb/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|Jackson]]
| 1829 Oct 29
| 29 Oct 1829  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#JACKSON Details]
| Washtenaw  
| Washtenaw  
| none
| none
|-
|-
| [[Kalamazoo County, Michigan Genealogy|Kalamazoo]]  
| [[Kalamazoo_County,_Michigan|Kalamazoo]]
| 1829 Oct 29
| 29 Oct 1829  
| [https://digital.newberry.org/ahcb/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|Kalkaska]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#KALKASKA Details]
| renamed from Wabasee  
| renamed from Wabasee  
| none
| none
|-
|-
| Kanotin  
| Kanotin  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Iosco 1843
| renamed Iosco 1843
|-
|-
| Kautawaubet  
| Kautawaubet  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Wexford 1843
| renamed Wexford 1843
|-
|-
| Kaykakee  
| Kaykakee  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Kent]]
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/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|Keweenaw]]
| 1861 Mar 11
| 11 Mar 1861  
| [https://digital.newberry.org/ahcb/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|Lake]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#LAKE Details]
| renamed from Aishcum  
| renamed from Aishcum  
| none
| none
|-
|-
| [[Lapeer County, Michigan Genealogy|Lapeer]]  
| [[Lapeer_County,_Michigan|Lapeer]]
| 1822 Sep 10
| 10 Sep 1822  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#LAPEER Details]
| Oakland  
| Oakland  
| Sanilac 1848
| Sanilac 1848
|-
|-
| [[Leelanau County, Michigan Genealogy|Leelanau]]  
| [[Leelanau_County,_Michigan|Leelanau]]
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#LEELANAU Details]
| Grand Traverse  
| Grand Traverse  
| Benzie 1863
| Benzie 1863
|-
|-
| [[Lenawee County, Michigan Genealogy|Lenawee]]  
| [[Lenawee_County,_Michigan|Lenawee]]  
| 1822 Sep 10
| 10 Sep 1822  
| [https://digital.newberry.org/ahcb/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|Livingston]]  
| 1836 Mar 24
| 24 Mar 1836  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#LIVINGSTON Details]
| Shiawassee, Washtenaw  
| Shiawassee, Washtenaw  
| none
| none
|-
|-
| [[Luce County, Michigan Genealogy|Luce]]  
| [[Luce_County,_Michigan|Luce]]
| 1887 Mar 01
| 01 Mar 1887  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#LUCE Details]
| Chippewa, Mackinac  
| Chippewa, Mackinac  
| none
| none
|-
|-
| [[Mackinac County, Michigan Genealogy|Mackinac]]  
| [[Mackinac_County,_Michigan|Mackinac]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/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|Macomb]]
| 1818 Mar 11
| 11 Mar 1818  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#MACOMB Details]
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Manistee County, Michigan Genealogy|Manistee]]  
| [[Manistee_County,_Michigan|Manistee]]
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#MANISTEE Details]
| Mackinac, Ottawa, Oceana  
| Mackinac, Ottawa, Oceana  
| none
| none
|-
|-
| Manitou  
| Manitou  
| 1855 Feb 13
| 13 Feb 1855  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| dissolved 1895
| dissolved 1895
|-
|-
| [[Marquette County, Michigan Genealogy|Marquette]]  
| [[Marquette_County,_Michigan|Marquette]]
| 1843 Mar 09
| 09 Mar 1843  
| [https://digital.newberry.org/ahcb/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|Mason]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/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|Mecosta]]
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Menominee]]
| 1863 Mar 19
| 19 Mar 1863  
| [https://digital.newberry.org/ahcb/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
| 26 Oct 1818  
| [https://digital.newberry.org/ahcb/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|Midland]]
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/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
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm# Details]
| Michigan Territory  
| Michigan Territory  
| renamed Roscommon 1843
| renamed Roscommon 1843
|-
|-
| [[Milwaukee County, Wisconsin|Milwaukee]]
| Milwaukee  
| 1834 Sep 06
| 06 Sep 1834  
| [https://digital.newberry.org/ahcb/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|Monroe]]
| 1817 Jul 14
| 14 Jul 1817  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#MONROE Details]
| Wayne  
| Wayne  
| none
| none
|-
|-
| [[Montcalm County, Michigan Genealogy|Montcalm]]  
| [[Montcalm_County,_Michigan|Montcalm]]  
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#MONTCALM Details]
| Ionia  
| Ionia  
| none
| none
|-
|-
| [[Montmorency County, Michigan Genealogy|Montmorency]]  
| [[Montmorency_County,_Michigan|Montmorency]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#MONTMORENCY Details]
| renamed from Cheonoguet  
| renamed from Cheonoguet  
| none
| none
|-
|-
| [[Muskegon County, Michigan Genealogy|Muskegon]]  
| [[Muskegon_County,_Michigan|Muskegon]]  
| 859 Feb 04
| 04 Feb1 859  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#MUSKEGON Details]
| Ottawa, Newaygo  
| Ottawa, Newaygo  
| none
| none
|-
|-
| Negwegon (old)  
| Negwegon (old)  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Newaygo]]
| 1840 Ap 01
| 01 Ap 1840  
| [https://digital.newberry.org/ahcb/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
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Oakland]]
| 1819 Jan 12
| 12 Jan 1819  
| [https://digital.newberry.org/ahcb/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|Oceana]]
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/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|Ogemaw]]
| 1875 Feb 27
| 27 Feb 1875  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#OGEMAW Details]
| Cheboygan, Midland, Iosco  
| Cheboygan, Midland, Iosco  
| none
| none
|-
|-
| Okkado  
| Okkado  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Ontonagon]]  
| 1848 Apr 03
| 03 Apr 1848  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ONTONAGON Details]
| Chippewa, Houghton  
| Chippewa, Houghton  
| Gogebic 1881
| Gogebic 1881
|-
|-
| [[Osceola County, Michigan Genealogy|Osceola]]  
| [[Osceola_County,_Michigan|Osceola]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#OSCEOLA Details]
| renamed from Unwattin  
| renamed from Unwattin  
| none
| none
|-
|-
| [[Oscoda County, Michigan Genealogy|Oscoda]]  
| [[Oscoda_County,_Michigan|Oscoda]]
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#OSCODA Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| [[Otsego County, Michigan Genealogy|Otsego]]  
| [[Otsego_County,_Michigan|Otsego]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#OTSEGO Details]
| renamed from Okkado  
| renamed from Okkado  
| none
| none
|-
|-
| [[Ottawa County, Michigan Genealogy|Ottawa]]  
| [[Ottawa_County,_Michigan|Ottawa]]
| 1831 Mar 02
| 02 Mar 1831  
| [https://digital.newberry.org/ahcb/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|Presque Isle]]  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#PRESQUE ISLE Details]
| Michigan Territory  
| Michigan Territory  
| none
| none
|-
|-
| Reshkaiko  
| Reshkaiko  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Roscommon]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#ROSCOMMON Details]
| renamed from Mikenauk  
| renamed from Mikenauk  
| none
| none
|-
|-
| [[Saginaw County, Michigan Genealogy|Saginaw]]  
| [[Saginaw_County,_Michigan|Saginaw]]
| 1822 Sep 10
| 10 Sep 1822  
| [https://digital.newberry.org/ahcb/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|St. Clair]]  
| 1820 Sep 10
| 10 Sep 1820  
| [https://digital.newberry.org/ahcb/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|St. Joseph]]  
| 1829 Oct 29
| 29 Oct 1829  
| [https://digital.newberry.org/ahcb/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|Sanilac]]
| 1822 Sep 10
| 10 Sep 1822  
| [https://digital.newberry.org/ahcb/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|Schoolcraft]]
| 1843 Mar 09
| 09 Mar 1843  
| [https://digital.newberry.org/ahcb/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  
| 1818 Oct 26
| 26 Oct 1818  
| [https://digital.newberry.org/ahcb/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|Shiawassee]]
| 1822 Sep 10
| 10 Sep 1822  
| [https://digital.newberry.org/ahcb/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
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Tuscola]]
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#TUSCOLA Details]
| Sanilac  
| Sanilac  
| none
| none
|-
|-
| Unwattin  
| Unwattin  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Van Buren]]  
| 1829 Oct 29
| 29 Oct 1829  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#VAN BUREN Details]
| Cass  
| Cass  
| none
| none
|-
|-
| Wabasee  
| Wabasee  
| 1840 Apr 01
| 01 Apr 1840  
| [https://digital.newberry.org/ahcb/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|Washtenaw]]
| 1822 Nov 20
| 20 Nov 1822  
| [https://digital.newberry.org/ahcb/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|Wayne]]
| 1796 Aug 18
| 18 Aug 1796  
| [https://digital.newberry.org/ahcb/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|Wexford]]
| 1843 Mar 08
| 08 Mar 1843  
| [https://digital.newberry.org/ahcb/documents/MI_Individual_County_Chronologies.htm#WEXFORD Details]
| renamed from Kautawaubet  
| renamed from Kautawaubet  
| none
|-
| Wyandotte
| 01 Apr 1840
| Michigan Territory
| none
| none
|}
|}
==References==
 
{{Reflist}}
[[Category:United_States_County_Creations]]
[[Category:United_States_County_Creations]]

Revision as of 09:48, 16 March 2009

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
Wyandotte 01 Apr 1840 Michigan Territory none
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