Mason County, Michigan Genealogy Records

Selected record inventories for Mason County, their listed years, and where to ask for access.

Selected inventory review: 2026-11-02. Selected catalog metadata extracted from the linked sources. This is not an examination of original records, a complete county holdings audit, or certification of current access. Historical sources are identified in the access note. Archives of Michigan county guide

Formed
1840
County seat
Ludington
Benzie CountyGrand Traverse CountyLake CountyManistee CountyMecosta CountyMontcalm CountyMuskegon CountyNewaygo CountyOceana CountyOsceola CountyWexford CountyMason CountyLakeManisteeMecostaNewaygoOceanaOsceolaMason
Mason CountyToday's boundaries · U.S. Census Bureau

Listed record inventories

Selected holdings and indexes for Mason County, checked against the repository descriptions linked below. Date spans may contain gaps; an index is not a complete set of original records.

Cemetery Records

Court Records

Military Records

Naturalization Records

Tax 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

  • Mason 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, Mason" 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

MichilimackinacNotipekagoNotipekagoMichilimackinac
Notipekago as created in 1840Where its land was the day beforeToday's boundaryBoundaries: Newberry Library, Atlas of Historical County Boundaries

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.