Listed record inventories
Selected holdings and indexes for Delta 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
- Articles of association · RG 82-117*1888 to 1931
- Elliott farm journal (Sac Bay Township) · RG 74-125*1898 to 1903
Cemetery Records
- Delta County files · RG 83-531968 to 1976
Health Records
- County hospital patient registers · RG 82-117*1887 to 1905
Military Records
Naturalization Records
- Certificate stubs · RG 98-501907 to 1928
- Certificates · RG 98-501929 to 1941
- Declarations of Intention · RG 98-501866 to 1952
- Depositions · RG 98-501929 to 1932
- Naturalization calendar · RG 98-501906 to 1909
- Oaths of allegiance · RG 98-501937 to 1952
- Order book · RG 98-501930 to 1955
- Second papers · RG 98-501882 to 1955
Occupational Records
Political Records
- Political party enrollment records · RG 82-117*1906 to 1910
Poor Home / Relief Records
- Poor home register of inhabitants · RG 82-117*1903 to 1927
- Superintendent of the Poor journals · RG 82-117*1885 to 1906
- Superintendent of the Poor ledgers · RG 82-117*1885 to 1914
Probate Records
- Calendars · RG 2019-1181901 to 1969
- Case files · RG 2019-1181887 to 1969
- Index · RG 2019-1181882 to 1975
Tax Records
- Assessment rolls · RG 84-64*1881 to 1900
- Assessment rolls (Sac Bay Township) · RG 74-125*1885 to 1904
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
- Delta 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, Delta" 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 1843, 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.