United States » Illinois » Counties » St. Clair » Societies & Groups

Freeburg Historical Society

Marissa Historical and Genealogical Society

Located in Marissa, Illinois in the southeast corner of St. Clair County.

Mascoutah Historical Society

Includes Mascoutah Herald Obituary index.

O'Fallon Illinois Historical Society Museum

Sons of Union Veterans of the Civil War Dept of Illinois - Col. Friedrich K. Hecker Camp #443, Belleville, IL

A local chapter of the Sons of Union Veterans of the Civil War headquartered in Belleville, Illinois.

St. Clair County Genealogical Society

Provides several indexes and databases online for St. Clair County, Illinois ancestors including death, baptisms, court records, obituaries, cemetery inventories, and Quarterly 1978-1997.