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

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Online Records

Iosco County, Michigan
Map of the U.S. highlighting Michigan
Location of Michigan in the U.S.
Founded April 1, 1840
County Seat Tawas City
Address Iosco County Courthouse
422 W Lake St.
P. O. Box 838
Tawas City, MI 48764-0838
Phone: (989) 362-3497
Iosco County Website


County Information

Iosco County, Michigan Record Dates

Beginning Dates for Major County Records[1]
Birth Marriage Death Census Land Probate
1867 1858 1867 1820 1840 1859

County Courthouse

County Clerk has birth records from 1867, marriage records from 1862,
deathrecords from 1868, burial records 1961-1978, divorce and court
records from 1859 and naturalization records 1859-1906.[2]


Parent County

1840--Iosco County was created 1 April 1840 from unorganized territory. It was formerly Kanotin County, until the name changed 8 March 1843. It was attached to Mackinac, Saginaw, and Cheboygan Counties prior to organization 16 February 1857.  County seat: Tawas City [3]

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 website.

Record Loss

For a list of record loss in Michigan counties see: Michigan Counties with Burned Courthouses


Populated Places

Neighboring Counties

Alcona  • Arenac  • Ogemaw  • Oscoda

Iosco CountyArenac CountyBay CountyAlpena CountyMontmorency CountyAntrim CountyOtsego CountyRoscommon CountyOsceola CountyMissaukee CountyKalkaska CountyCrawford CountyHuron CountyAlcona CountyOscoda CountyClare CountyOgemaw CountyGladwin CountyMIIosco.JPG




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.



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 Iosco 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.





Finding More Michigan Newspapers

Additional newspapers abstracts can sometimes be found using search phrases such as Iosco 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, Iosco 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.

  • How to order Michigan Vital Records
  • 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

Huron Shores Genealogical Society

USGW Archives

Isoco County Michigan Rootsweb

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.

Web Sites


  1. 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
  2. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Iosco County, Michigan page 346, At various libraries (WorldCat); FHL Book 973 D27e 2002.
  3. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).


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  • This page was last modified on 14 October 2015, at 17:00.
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