Mason County, Illinois Genealogy

United States &gt; Illinois &gt; Mason County

Parent County

 * 1841--Mason County was created 20 January 1841 from Tazewell  and Menard Counties. County seat: Havana

Neighboring Counties

 * Cass
 * Fulton
 * Logan
 * Menard
 * Schuyler
 * Tazewell

Web Sites

 * Family History Library Catalog