Oscoda County, Michigan Genealogy

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United States
Michigan Genealogy
Oscoda County

Guide to Oscoda County, Michigan ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.


Oscoda County, Michigan
Map of the U.S. highlighting Michigan
Location of Michigan in the U.S.
Founded April 1, 1840
County Seat Mio
Oscoda County Michigan Courthouse.jpg
Address Oscoda County Courthouse
311 Morenci
P. O. Box 399
Mio, MI 48647
Phone: (989) 826-1110
Oscoda County Website

County Information


The County was named for Henry Rowe Schoolcraft neologism thought to be a combination of two Ojibwa words, "ossin" (stone) and "muskoda" (prairie) -- hence 'pebbly prairie. The County has Mio as its seat and the County was created April 1, 1840. The County is located in the northeast area of the state.[1]

Oscoda County, Michigan Record Dates

Beginning Dates for Major County Records[2]
Birth Marriage Death Census Land Probate
1881 1881 1881 1820 1850 1881

County Courthouse

Oscoda County Courthouse

County Clerk has birth, marriage, death, burial, divorce and court records from 1881 and land records from 1850.
Probate Judge has probate records. [3]


Parent County

1840--Oscoda County was created 1 April 1840 from Mackinac County. It was attached to Cheboygan, Alpena, Alcona, Iosco, and Mackinac Counties prior to organization 10 March 1881.  County seat: Mio [4]

Boundary Changes

For animated maps illustrating Michigan county boundary changes, "Rotating Formation Michigan County Boundary Maps" (1790-1897) may be viewed for free at the MapofUS.org website.

Record Loss

There is no known history of courthouse disasters in this county.


Populated Places

Neighboring Counties

Alcona  • Alpena  • Crawford  • Iosco  • Montmorency  • Ogemaw  • Otsego  • Roscommon

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Tombstone Transcriptions Online Tombstone Transcriptions in Print List of Cemeteries in the county
Findagrave.com Family History Library Findagrave.com
Tombstone Project WorldCat Billion Graves
Billion Graves
See Michigan Cemeteries for more information.


1880 Census: Oscoda County is missing people.
State Census


Church records and the information they provide vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about Michigan denominations, view the Michigan Church Records wiki page.


Emigration and Immigration


Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See Michigan Land and Property for additional information about early Michigan land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse and where records are currently housed.

Local Histories

Local histories are available for Oscoda County, Michigan Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the wiki page section Michigan Local Histories.




Civil War

Civil War service men from Oscoda 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 Oscoda County.



Finding More Michigan Newspapers

Additional newspapers abstracts can sometimes be found using search phrases such as Oscoda County, Michigan Genealogy newspapers in online catalogs like:



In most counties in Michigan, probate records have been kept by the county judge. They include wills, fee books, claim registers, legacy records, inheritance records, probate packets, and dockets. The records are available at the county courthouse.

The FamilySearch Catalog lists films of probate records. To find the records for this county, use the Place Search for Michigan, Oscoda and search for Probate records in the list.

Note: Not every county in Michigan will have Probate Records in the FamilySearch Catalog.

Online Probate Records


Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. A copy or an extract of most original records can be purchased as shown below:

Birth Records and Death Records from the Michigan Department of Community Health (from 1867) or the County Clerk's office of the county where the event occurred.
Marriage Records (from 1867) and Divorce Records (from 1897) from the County Clerk.


Societies and Libraries

Oscoda County Genealogical Society
POBox 15
Mio Michigan 48647

Ausable-oscoda Historical Society
PO Box 173
Oscoda 48750

Family History Centers

Family history centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes. See family history center for more information. Search the online FHC directory for a nearby family history center.



  1. Wikipedia contributors, "Oscoda County, Michigan" in Wikipedia: the Free Encyclopedia, "https://en.wikipedia.org/wiki/Oscoda_County,_Michigan."
  2. Alice Eichholz, Ancestry’s Red Book: American State, County and Town Sources, Revised ed. (Salt Lake City: Ancestry, 1992), 369-384. At various libraries (WorldCat); FHL Book 973 D27rb 1992
  3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Oscoda County, Michigan page 350, At various libraries (WorldCat); FHL Book 973 D27e 2002.
  4. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).