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Free Michigan Genealogy Records Online
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Michigan Census Records
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Michigan Obituaries
Michigan Genealogy by County
County | County Seat | Formed | Origin |
---|---|---|---|
Alcona County | Harrisville | 1840 (boundaries declared) 1869 (organized) | From unorganized territory. Was named Negwegon County until 1843. |
Alger County | Munising | 1885 | From part of Schoolcraft County. |
Allegan County | Allegan | 1831 (boundaries declared) 1835 (organized) | From part of Barry County and unorganized territory. |
Alpena County | Alpena | 1840 (boundaries declared) 1857 (organized) | From part of Mackinac County and unorganized territory. Was named Anamickee County until 1843. |
Antrim County | Bellaire | 1840 | From part of Mackinac County. Was named Meegisee County until 1843. |
Arenac County | Standish | 1831 | From unorganized territory. Annexed to Bay County in 1857 and reinstated in 1883. |
Baraga County | L'Anse | 1875 | From part of Houghton County. |
Barry County | Hastings | 1829 | From unorganized territory. |
Bay County | Bay City | 1857 | From parts of Arenac County, Midland County and Saginaw County. |
Benzie County | Beulah | 1863 | From part of Leelenau County. |
Berrien County | St. Joseph | 1829 | From unorganized territory. |
Branch County | Coldwater | 1829 | From unorganized territory. |
Calhoun County | Marshall | 1829 | From unorganized territory. |
Cass County | Cassopolis | 1829 | From unorganized territory. |
Charlevoix County | Charlevoix | 1869 | From parts of Antrim County, Emmet County and Otsego County. |
Cheboygan County | Cheboygan | 1840 | From part of Mackinac County. |
Chippewa County | Sault Ste. Marie | 1827 | From part of Mackinac County. |
Clare County | Harrison | 1840 | From part of Mackinac County and unorganized territory. Was named Kaykakee County until 1843. |
Clinton County | St. Johns | 1831 | From unorganized territory. |
Crawford County | Grayling | 1840 | From part of Mackinac County and unorganized territory. Was named Shawano County until 1843. |
Delta County | Escanaba | 1843 | From part of Mackinac County and unorganized territory. |
Dickinson County | Iron Mountain | 1891 | From parts of Iron County, Marquette County and Menominee County. |
Eaton County | Charlotte | 1829 | From unorganized territory. |
Emmet County | Petoskey | 1840 | From part of Mackinac County. Was named Tonegadana County until 1843. |
Genesee County | Flint | 1835 | From parts of Lapeer County, Saginaw County and Shiawassee County. |
Gladwin County | Gladwin | 1831 | From unorganized territory. |
Gogebic County | Bessemer | 1887 | From part of Ontonagon County. |
Grand Traverse County | Traverse City | 1851 | From part of Omeena County. |
Gratiot County | Ithaca | 1831 | From unorganized territory. |
Hillsdale County | Hillsdale | 1829 | From unorganized territory. |
Houghton County | Houghton | 1845 | From parts of Marquette County and Ontonagon County. |
Huron County | Bad Axe | 1840 | From part of Sanilac County. |
Ingham County | Mason | 1829 (boundaries declared) 1838 (organized) | From parts of Shiawassee County, Washtenaw County and unorganized territory. |
Ionia County | Ionia | 1831 | From part of Mackinac County and unorganized territory. |
Iosco County | Tawas City | 1840 | From unorganized territory. Was named Kanotin County until 1843. |
Iron County | Crystal Falls | 1885 | From parts of Marquette County and Menominee County. |
Isabella County | Mt. Pleasant | 1831 | From part of Mackinac County and unorganized territory. |
Jackson County | Jackson | 1829 (boundaries declared) 1832 (organized) | From part of Washtenaw County and unorganized territory. |
Kalamazoo County | Kalamazoo | 1829 | From unorganized territory. |
Kalkaska County | Kalkaska | 1840 | From part of Mackinac County. Was named Wabassee County until 1843. |
Kent County | Grand Rapids | 1831 | From part of Mackinac County and unorganized territory. |
Keweenaw County | Eagle River | 1861 | From part of Houghton County. |
Lake County | Baldwin | 1840 | From part of Mackinac County. Was named Aischum County until 1843. |
Lapeer County | Lapeer | 1822 | From parts of Oakland County and St. Clair County. |
Leelanau County | Suttons Bay Township | 1840 | From part of Mackinac County. |
Lenawee County | Adrian | 1822 | From part of Monroe County. |
Livingston County | Howell | 1833 (boundaries declared) 1836 (organized) | From parts of Shiawassee County and Washtenaw County. |
Luce County | Newberry | 1887 | From parts of Chippewa County and Mackinac County. |
Mackinac County | St. Ignace | 1818 | From part of Wayne County. Was named Michilimackinac County until 1837. |
Macomb County | Mt. Clemens | 1818 | From part of Wayne County. |
Manistee County | Manistee | 1840 | From part of Mackinac County. |
Marquette County | Marquette | 1843 | From parts of Chippewa County and Mackinac County. |
Mason County | Ludington | 1840 | From part of Mackinac County. Was named Notipekago County until 1843. |
Mecosta County | Big Rapids | 1840 | From parts of Mackinac County and Oceana County. |
Menominee County | Menominee | 1861 | From part of Delta County. Was named Bleeker County until 1863. |
Midland County | Midland | 1831 | From part of Saginaw County and unorganized territory. |
Missaukee County | Lake City | 1840 | From part of Mackinac County. |
Monroe County | Monroe | 1817 | From part of Wayne County. |
Montcalm County | Stanton | 1831 | From part of Mackinac County and unorganized territory. |
Montmorency County | Atlanta | 1840 | From part of Mackinac County and unorganized territory. Was named Cheonoquet County until 1843. |
Muskegon County | Muskegon | 1859 | From parts of Oceana County and Ottawa County. |
Newaygo County | White Cloud | 1840 | From parts of Mackinac County and Oceana County. |
Oakland County | Pontiac | 1819 (boundaries declared) 1820 (organized) | From part of Macomb County. |
Oceana County | Hart | 1831 | From part of Mackinac County. |
Ogenaw County | West Branch | 1840 | From unorganized territory. Annexed to Iosco County in 1867 and reinstated in 1873. |
Ontonagon County | Ontonagon | 1843 | From parts of Chippewa County and Mackinac County. |
Osceola County | Reed City | 1840 | From part of Mackinac County. Was named Unwattin County until 1843. |
Oscoda County | Mio | 1840 | From part of Mackinac County and unorganized territory. |
Otsego County | Gaylord | 1840 | From part of Mackinac County. Was named Okkudo County until 1843. |
Ottawa County | Grand Haven | 1831 | From part of Mackinac County and unorganized territory. |
Presque Isle County | Rogers City | 1840 | From part of Mackinac County. |
Roscommon County | Roscommon | 1840 | From part of Mackinac County and unorganized territory. Was named Mikenauk County until 1843. |
Saginaw County | Saginaw | 1822 | From part of Oakland County. |
Sanilac County | Sandusky | 1822 | From part of St. Clair County. |
Schoolcraft County | Manistique | 1843 | From parts of Chippewa County and Mackinac County. |
Shiawassee County | Corunna | 1822 | From parts of Oakland County and St. Clair County. |
St. Clair County | Port Huron | 1820 | From part of Macomb County. |
St. Joseph County | Centreville | 1829 | From unorganized territory. |
Tuscola County | Caro | 1840 | From part of Sanilac County. |
Van Buren County | Paw Paw | 1829 | From unorganized territory. |
Washtenaw County | Ann Arbor | 1822 (boundaries declared) 1826 (organized) | From parts of Oakland County and Wayne County |
Wayne County | Detroit | 1815 | All lands within Michigan Territory that had been ceded by Native Americans through the 1807 Treaty of Detroit. |
Wexford County | Cadillac | 1840 | From part of Mackinac County. Was named Kautawaubet County until 1843. |
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