St. Charles County, Missouri Genealogy

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Template:Missouri-stubUnited States Gotoarrow.png Missouri Gotoarrow.png St. Charles County

Hand and keyboard.jpg Missouri
Online Records

St. Charles County, Missouri
Map of the U.S. highlighting Missouri
Location of Missouri in the U.S.
Founded October 1, 1812
County Seat St. Charles
Address St. Charles County Courthouse
201 N 2nd Street
St. Charles, MO 63301
Phone: 636.949.7550
St. Charles County Website

County Courthouse


Recorder Deeds has marriage and land records;
Probate Court has probate records; Clerk Circuit
Courth has court records[1]


St. Charles County predates the state of Missouri which was admitted to the union in 1821. St. Charles 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.

Parent County

1812--St. Charles County was created 1 October 1812 as an original county.
County seat: St. Charles. [2] Court records, probate records, and deeds exist back to 1805. 

Boundary Changes

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

Record Loss


Populated Places

Neighboring Counties





For tips on accessing St. Charles County, Missouri Genealogy census records online, see: Missouri Census.


The St. Charles Borromeo Catholic Church was established in St. Charles in 1791.  As the population grew, additional parishes flourished in the county.  Extractions of the early records are available, and provide information on baptisms, marriages and deaths.  An influx of German immigrants led to the establishment of Evangelical and Lutheran churches.  Records of these churches have been extracted and are available for research. 


A Court of Common Pleas was established in 1805.  It was later replaced by a Circuit Court.  Court case files from 1805 to 1845 have been indexed and microfilmed by the Missouri State Archives.  Additional case files are still being processed.


The land encompassed by St. Charles County was ruled by the French and then the Spanish prior to the Louisiana Purchase.  Spanish land grants were given to many settlers migrating from territory of the U. S.  One of the famous early settlers was Daniel Boone, who came with over 100 families in the late 18th century.

Local Histories 

A history of St. Charles, Warren and Montgomery counties was published in 1885.  It includes biographical information of many of the prominent citizens of that time. 


An 1875 plat map and atlas shows owners of each plat, has some biographical and historical information.  There is also a 1905 plat map and atlas.  The originals have been scanned by the historical society, and saved in PDF format. See their website for purchase information.




Original probate court records, probate files, and will books of the 19th century are held by the St. Charles County Historical Society.  Probate files have been microfilmed by State Archives.


Vital Records


Societies and Libraries

The St. Charles County Historical Society has an extensive collection of materials relevant to family history. They are the repository of 19th century will books, probate records, naturalization records, and court records. They also have many compiled genealogies, and indexes to many church records and cemeteries of the county. See their website, for contact information. The society does research for a fee.

Family History Centers

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), St. Charles County, Missouri. Page 405 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).