Iosco County, Michigan Genealogy

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United States Gotoarrow.png Michigan Gotoarrow.png Iosco County

Hand and keyboard.jpg Michigan
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 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.[1]


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 [2]

Boundary Changes

Record Loss


Populated Places

Neighboring Counties






Local Histories






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

Family History Centers

Web Sites

  • USGenWeb project. May have maps, name indexes, history or other information for this county. Select the state, then the county.
  • Family History Library Catalog


1. "The Handybook for Genealogists: United States of America", 10th ed. (Draper, UT: Everton Publishers, 2002). 

  1. 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.
  2. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).