Otsego County, Michigan Genealogy
- 1 County Courthouse
- 2 History
- 3 Places/Localities
- 4 Resources
- 5 Societies and Libraries
- 6 Web Sites
- 7 References
1840--Otsego County was created 1 April 1840 from Mackinac County. Formerly Okkuddo County, until name changed to Otsego 8 March 1843. It was attached to Alpena, Mackinac, Cheboygan, and Antrim Counties prior to organization 12 March 1875.
County seat: Gaylord 
Civil War service men from Otsego County served in various regiments. Men often joined a regiment or a company (within a regiment)that originated in their county. Listed below are the military units that were formed in or had many men from Otsego County.
- Michigan Birth Registrations, 1867-1902 -- Free name indexes and images at FamilySearch Record Search. Records include such information as name of child, birthdate and place, if still-born, illegitimate or twin, gender, race and record number.
- Michigan Marriage Registrations, 1868-1925 -- Free name indexes at FamilySearch Record Search. Records include such information as names of bride and groom, date of license, ages, race, residences, birthplaces, occupations and names of the fathers of the bride and groom.
- Michigan Death Registrations, 1867-1897-- Free name indexes and images at FamilySearch Record Search. Records include such information as name of deceased, date and place of death, gender, color, marital status, age in years, months and days, disease or apparent cause of death, birthplace, names and occupations of parents, and the date the record was made.
Societies and Libraries
Family History Centers
- USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
- Family History Library Catalog
- Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Otsego County, Michigan page 350, At various libraries (WorldCat); FHL Book 973 D27e 2002.
- The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).