St. Clair County, Michigan Genealogy

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Revision as of 23:19, 9 July 2013

United States Gotoarrow.png Michigan Gotoarrow.png St. Clair County

Guide to St. Clair County Michigan genealogy. Birth records, marriage records, death records, census records, family history, and military records.

Hand and keyboard.jpg Michigan
Online Records

St. Clair County, Michigan
Map of the U.S. highlighting Michigan
Location of Michigan in the U.S.
Founded March 28, 1820
County Seat Port Huron
Address St. Clair County Courthouse
201 McMorran Blvd.
Port Huron, MI 48060-4006
Phone: (810) 985-2200
St. Clair County Website


County Courthouse

County Clerk has birth records from 1867, marriage records from 1834,
death records from 1868, divorce and court records from 1849. [1]


Parent County

1820--St. Clair County was created 28 March 1820 from Macomb County. It was attached to Macomb County prior to organization 8 May 1821.  County seat: Port Huron [2]

Boundary Changes

Record Loss


Populated Places

Neighboring Counties




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 St. Clair 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.


Standard atlas of St. Clair County, Michigan : including a plat book of the villages, cities and townships of the directory, reference business directory and departments devoted to general information / compiled and published by Geo. A. Ogle & Co.
Geo. A. Ogle & Co.
Chicago: Geo. A. Ogle, 1897.;cc=micounty;view=toc;idno=BAC4462.0001.001


Civil War

Civil War service men from St. Clair 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 St. Clair County.




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, St. Clair and search for Probate records in the list.

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


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.

  • 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.
  • Michigan Deat Records, 1897-1920- Images are available free at
  • St. Clair County Marriages and Deaths -- Marriages beginning in 1838 and ending in 1898.  Includes all the County plus data on Ontario Canada names.
  • Another St. Clair County Marriage site lists people from Lambton County., Ontario, Canada and elsewhere in Ontario who were married in St. Clair County, Michigan. (Most marriages took place in Port Huron, Mich).

Societies and Libraries

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. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), St Clair County, Michigan page 350, 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).