Williamson County, Illinois Genealogy

United States &gt; Illinois &gt; Williamson County

Parent County

 * 1839--Williamson County was created 28 February 1839 from Franklin County. County seat: Marion

Record Loss
May 30, 1875 -- Courthouse burned and many records were damaged.

For further information on researching in burned counties, see the following:


 * https://wiki.familysearch.org/en/Burned_Counties_Research
 * http://blogs.ancestry.com/circle/?p=2424

Neighboring Counties

 * Franklin
 * Jackson
 * Johnson
 * Pope
 * Saline
 * Union

Web Sites

 * Family History Library Catalog