Washington County, Illinois Genealogy

United States &gt; Illinois &gt; Washington County

Parent County

 * 1818--Washington County was created 2 January 1818 from St. Clair County. County seat:  Nashville

Neighboring Counties

 * Clinton
 * Jefferson
 * Marion
 * Perry
 * Randolph
 * St. Clair

Web Sites

 * Family History Library Catalog