St. Louis County, Missouri Genealogy

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===== '''''Probate'''''  =====
===== '''''Probate'''''  =====
*Missouri State Archives - Online access to [ St. Louis Probate records] (original documents)
*Missouri State Archives - Online access to [ St. Louis Probate records] (original documents)
===== '''''Naturalization'''''  =====
===== '''''Naturalization'''''  =====

Revision as of 08:41, 25 October 2011

United States Gotoarrow.png Missouri Gotoarrow.png St. Louis County


County Courthouse


St. Louis County predates the state of Missouri which was admitted to the union in 1821. St. Louis was one of the five original districts of the Louisiana Territory from 1805-1812 and one of the five original counties of the Missouri Territory from 1812 to 1821.

On August 22, 1876 the City of St. Louis voted to separate from St. Louis County and became an independent city.

Parent County

'St. Louis County was created 1 October 1812 as an original county.

  • County seat: City of St. Louis (1805- Mar. 1877)
  • County seat: Clayton[1] (abt. 1878-present)
Note - The seperation was not official until a court case decided the issue in March of 1877. St. Louis County started separate record keeping from St. Louis City in 1877. It was not until December 1878, however, that the county established a new courthouse in the new county seat of Clayton, Missouri.
Records for the county (1805-1876) are maintained by the City of St. Louis and records (1877-present) are maintained by the county. The two years of 1877 and 1878 are a gray area in county record keeping and records for those years may show up in city records. Many of these records are available at both the St. Louis Public Library (City) and the St. Louis County Library.

For further explanation see St. Louis City and County Split & How it Affects Research in St. Louis.

Boundary Changes

  • See an interactive map of St. Louis County border changes at N2Genealogy.

Record Loss


Populated Places

Neighboring Counties


Archives and Libraries

  • St. Louis Public Library (St. Louis City) owns a large collection of books, periodicals, maps, and other miscellaneous materials that deal with the history of St. Louis City, and Library staff have indexed many previously unindexed books and materials on that topic. They also own a large local history card file, and a large vertical file consisting of articles clipped from local newspapers and other local publications.
    St. Louis Public Library Local History Indexes and Bibliographies
  • St. Louis County Library has a large collection of genealogical records for St. Louis City and St. Louis County in its Special Collections Department located at its main headquarters. The collection includes holdings from the St. Louis Genealogical Society as well as parish records from the Archdiocese of St. Louis. In addition to its holdings, the staff of the Special Collections Department has created indexes for many records including St. Louis newspapers as well as birth, naturalization, probate, and church records.


Church History and Records

  • The St. Louis County Library has a page that lists its available Lutheran resources including an index to some Immanuel Lutheran Church and St. Paul's Lutheran Church records.
Evangelical and United Church of Christ

* With the priests name from a civil marriage record, this list can be used to locate a church marriage record which often contains more family information.

County Directories

  • The St. Louis County Library has St. Louis County Directories for 1893, 1896, 1903 and other later years available in their Special Collections Department.

Court Records

  • St. Louis County Library has created an Index to Naturalizations.  Site provides information on the various naturalization records from the U.S. Circuit Court.


Local Histories




  • 1798-1914 - St. Louis County Library has created an Index to Registers of Enlistments in the United States Army, 1798-1914. The names included in the extracted set below include ONLY enlistees who were either born in St. Louis, Missouri, or who enlisted at St. Louis or at Jefferson Barracks (shown as Jeff Bks in the chart) which is located in St. Louis County.

Civil War

Civil War service men from St. Louis County served in various regiments. Men often joined a company (within a regiment) that originated in their county. Listed below are companies or regiments that were formed from men of St. Louis County.

- 2nd Regiment, Illinois Light Artillery, Battery E.
- 16th Regiment, Illinois Cavalry, Company E.
- 43rd Regiment, Illinois Infantry, Company A.

World War I



Vital Records (Civil)

See St. Louis County, Missouri Vital Records for information on St. Louis County vital records and their indexes.


St. Louis Genealogical Society.

Family History Centers

Web Sites


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