St. Clair County, Missouri Genealogy

Guide to St. Clair County, Missouri ancestry, genealogy and family history, birth records, marriage records, death records, census records, and military records.

Description
The county was named for Arthur St. Clair. The County is located in the west central area of the state.

County Courthouse
St.Clair County Courthouse PO Box 525 Osceola, MO 64776-0405 Phone: 417-646-2315 St. Clair County Website Recorder's Office has marriage records from 1855, marriages from 1855 and land records from 1867. Clerk of the Circuit Court has divorce and probate records.

Populated Places
For a complete list of populated places in St. Clair County, MO, including small neighborhoods and suburbs, visit HomeTown Locator. The State Historical Society of Missouri has information on historical Missouri place names for all 114 Missouri Counties. The following are the most historically and genealogically relevant populated places in this county:

Cemeteries

 * Appleton City, St. Clair County, Missouri Cemetery Records, Vol. 1 at Ancestry ($)
 * Missouri Cemeteries Missouri Access Genealogy

Census Records

 * 1732-1933 at FamilySearch — index and images - How to Use this Collection

Church Records
List of Churches and Church Parishes
 * FamilySearch Places

Court Records

 * 1800-1991 at FamilySearch — index and images - How to Use this Collection

Land and Property Records
Online Land Indexes and Records

Local Histories

 * History of Henry and St. Clair Counties, Missouri. 1883. St. Joseph, Missouri. : National Historical Company. Online at: FamilySearch; and at Missouri Digital History
 * History of Missouri's Counties, County Seats, and Courthouse Squares. 1983. by Marian M. Ohman. Missouri: Missouri State Library. Online at: Missouri Digital History
 * State of Missouri: an autobiography. 1904. by Walter Williams. Columbia, Mo: Press of E. W. Stephens. Online at: Missouri Digital History

Maps and Gazetteers

 * Maps of Missouri (1804-1889)
 * Map of St. Clair County townships (Histopolis)
 * Missouri As It Is In 1867. 1867. by Nathan II. Parker. Philadelpia: J. B. Lippincott & Co. Online at: Missouri Digital History
 * The University of Missouri Digital Library has digital copies of Missouri county plat books (ca. 1930) for all Missouri counties including St. Clair County. The city of St. Louis is not included in this collection.
 * Standard Atlas of St. Clair County, Missouri at Missouri Digital Heritage
 * FamilySearch Places: Map of cities and towns in this county - How to Use FS Places

Military Records

 * 1900-1941 at FamilySearch — images - How to Use this Collection

Civil War
Online Records
 * 1861-1865  at FamilySearch — index - How to Use this Collection
 * 1861-1865  at FamilySearch — index - How to Use this Collection
 * 1911-1938  at FamilySearch — index and images - How to Use this Collection

Regiments Service men in St. Clair County, Missouri served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies that were specifically formed in St. Clair County, Missouri:

World War II

 * 1940-1945 at FamilySearch — index and images - How to Use this Collection
 * 1941-1946  at FamilySearch — index - How to Use this Collection

Naturalization and Citizenship

 * 1800-1991 at FamilySearch — index - How to Use this Collection

Newspapers

 * Missouri Digital Newspaper Project at Missouri State Historical Society

Probate Records
Online Probate Indexes and Records
 * 1750-1988 at FamilySearch — images - How to Use this Collection
 * 1766-1988 Missouri Wills and Probate Records 1766-1988 at Ancestry — index and images ($)

Social Security Records

 * 1935-2014 at FamilySearch - How to Use this Collection; index. Also at Ancestry, findmypast, Fold3, GenealogyBank, MyHeritage, and Steve Morse. Click here for more information.
 * 1936-2007 U.S., Social Security Applications and Claims Index, 1936-2007 at Ancestry ($) — index, click here for more information.
 * 1936-2007 at FamilySearch - How to Use this Collection; index

Birth

 * Pre-1910 Missouri Birth and Death Records Database, Pre-1910 at Missouri Digital Heritage - index.
 * 1817-1939 at FamilySearch — index - How to Use this Collection
 * 1827-1935  at FamilySearch — index - How to Use this Collection
 * 1848-1867 St. Clair County Birth Index 1848-1867. Batch  at FamilySearch.
 * 1851-1910 Missouri Birth Records, 1851-1910 at Ancestry — index/images ($)
 * 1910-2022 Missouri, Birth Index, 1920-2015 at Reclaim the Records — index; Also at: MyHeritage ($)

Marriage

 * 1750-1920  at FamilySearch — index - How to Use this Collection
 * 1776-1988 Missouri, United States Marriages at Findmypast — index $
 * 1800-1991  at FamilySearch — index and images - How to Use this Collection
 * 1805-2002 Missouri, Marriage Records, 1805-2002 at Ancestry ($)
 * 1850 Missouri Marriages to 1850 at Ancestry — index ($)
 * 1855-1885 St. Clair County Marriage Index 1855-1885. Batches  and  at FamilySearch.

Death

 * 1834-1910 Missouri, Death Records, 1834-1910 at Ancestry — index/images ($)
 * 1867-1976 at FamilySearch — index - How to Use this Collection
 * 1883-1930 at FamilySearch — index and images - How to Use this Collection
 * 1888-1928 St. Clair County, Missouri Obituaries, 1888-1928 at Ancestry ($)
 * 1906-1929 St. Clair County, Missouri Deaths, 1906-1929 at Ancestry ($)
 * 1910-1960 Missouri Death Certificates, 1910 - 1960 at MyHeritage ($) — index
 * 1910-1960 Missouri Death Certificates, 1910-1969 at Missouri Digital Heritage - index and images.
 * 1968-2022 Missouri, Death Index, 1968-2015 at Reclaim the Records — index; Also at: MyHeritage ($); Ancestry ($)
 * Missouri State Archives provides on-line access to Missouri Death Certificates more than 50 yrs old starting in 1910.

Libraries

 * St. Clair County Library Main Branch: Osceola 115 Chestnut Osceola, MO 64776 Phone: 417-646-2214 Website

Societies

 * St. Clair County Historical Society 660 Main Street PO Box 376 Osceola, MO 64776 (417) 876-3925 Email: [mailto:stclairmohistory@gmail.com stclairmohistory@gmail.com] Website Facebook

Websites

 * Missouri Digital Heritage. Free. digital images of many types of records from institutions across the State
 * MOGenWeb. Free. Data may be submitted by individuals or complete transcriptions
 * USGenWeb Archives. Free. Data may be submitted by individuals or may be complete transcriptions
 * . Free. - The FamilySearch catalog contains descriptions and access information for all genealogical materials (including books, online materials, microfilm, microfiche, and publications) in their collection.  Use Historical Records to search for specific individuals in genealogical records
 * RootsWeb resources. Free. Data may be submitted by individuals or may be complete transcriptions
 * Linkpendium. Free. Click links. Some sites they link to may have fees ($)
 * CyndisList. Free. Click links. Some sites they link to may have fees ($)
 * StateofUS. Free. family history resources and government records
 * Missouri Genealogy. Free. Click links. Some sites they link to may have fees ($)