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Genealogy Resources for St. Clair County, Illinois

St. Clair County encompasses approximately 664 square miles* in the State of Illinois.

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These resources for the State of Illinois may contain resources for St. Clair County:

Free Genealogy Resources for this County
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Ancestors born here

Name
Branch
Birth Date
Town

Ancestors married here

Name
Branch
Date
Town

Ancestors who died here

Name
Branch
Date
Town

Ancestors buried here

Name
Branch
Town
Place

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State Capital: 

State Established:

St. Clair County

Springfield

Dec 3, 1818

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Places in this County

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