Welcome to St. Clair County, located in Southwestern Illinois across the Mississippi River from St. Louis. Established in 1790, it is Illinois’ oldest county.

  • SCCGS’s newest publication St. Paul UCC Freeburg (1864–2013) soft cover order deadline is before January 24, 2022.
  • Dive into the Collections menu, for Catholic church record abstracts ( December 2021 ), biographical indexes, tombstone readings, or cemetery inventories and locations. 
  • The Quarterly surname index will help find your ancestor among the 250,000+ people chronicled on its pages.  BOOKS are timeless genealogist tools – all titles may be purchased online in the Shop . These detail the county’s residents in religious events, cemeteries in which they are buried, and census, court, and vital records in which they appear.

We gratefully acknowledge the efforts of SCCGS volunteers who preserve and publish extensive information about our ancestors’ sojourn here. Learn more at About SCCGS, member benefits here, and events (register for free virtual monthly lectures).

Search SCCGS for your ancestors, whether rooted in the county’s early 18th century French settlements; Americans who migrated from the east coast and southern States, German, Irish and English immigrants who arrived 1830-1860s, or eastern European settlers who found new homes here at the dawn of the 20th century.

St. Clair County Genealogical Society, PO Box 431, Belleville, IL 62222-0431.
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