Listed record inventories
Selected holdings and indexes for Otsego County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.
Business Records
- Annual reports of corporations · RG 67-221897 to 1932
- Statement of labor liens · RG 67-221881 to 1927
Cemetery Records
- Otsego County files · RG 83-531962 to 1976
Health Records
Land Records
- Deeds · RG 75-41863 to 1922
- Deeds index · RG 75-41867 to 1900
- Mortgage index · RG 75-41875 to 1900
- Rural Property Inventory · RG 72-761936 to 1942
- Tract book · RG 75-41875 to 1885
Military Records
Naturalization Records
- Declarations of Intention · RG 2002-41875 to 1952
- Index · RG 2002-41875 to 1956
- Naturalization record · RG 2002-41879 to 1906
- Oaths · RG 2002-41879 to 1894
- Oaths of renunciation and allegiance · RG 2002-41941 to 1949
- Order of court granting petitions · RG 2002-41956
- Petition and record · RG 2002-41907 to 1956
- Petitions granted · RG 2002-41930 to 1955
- Quarterly abstracts of collections of naturalization fees · RG 2002-41948 to 1953
Political Records
- Oath and bond book (City of Gaylord) · RG 68-491898 to 1903 and from 1906 to 1911
Tax Records
Vital Records
- Births · RG 75-41875 to 1914
- Deaths · RG 75-41875 to 1934
- Marriages · RG 75-41875 to 1969
Voter Records
See the repository's descriptions and search options
Repository access note: Selected holdings described by the Archives of Michigan. Preserve the record-group (RG) reference when requesting records. Some collections are held at partner repositories; consult the guide before traveling. Asterisks and other qualifiers refer to access or location notes in that guide. Some records have privacy restrictions or require proof of death. A date span may contain gaps and does not establish that images are online.
Sources: the catalogs and repository descriptions linked on the entries above. Selected inventories do not establish complete coverage of every record type or online access to original documents. Read the repository access note for source dates and limitations.
Where to find the records
- Otsego County official website
Hours, addresses and phone numbers for the county clerk, the register of deeds and the probate court, and any online record search the county offers.
- The county clerk
Births, deaths and marriages registered in the county, and court records.
- The register of deeds
Deeds, mortgages and other land records.
- The probate court
Wills, estates and guardianships.
- The Archives of Michigan
In Lansing: state and county records, and Michigan death certificates from 1897 to 1952 online at Michiganology.
- Archives of Michiganfree
The state archives in Lansing, with county and state records, military records and Michigan death records.
- FamilySearch Catalogfree
Search by place for "Michigan, Otsego" to find filmed and digitized records, many viewable free online with a FamilySearch account.
Offices change their hours and access rules; call before you visit.
Boundaries and parent counties
Formed from: Michilimackinac County (now Mackinac)
Check the parent county for earlier records: Mackinac County
Records stay with the county that created them. If your ancestor lived here before 1840, search the parent county. The Atlas of Historical County Boundaries shows each boundary change.
Research tip
Michigan began registering births and deaths in 1867, much earlier than most states, with county clerks keeping the registers and sending copies to the state. Ask the county clerk for the early registers.