For further information about where the records for Mason County are kept, see the Mason County Courthouse page. County Courthouse Ĭounty records are most often kept at the County Courthouse or another local repository. The county is located in the Central part of the state. The county seat is Havana and the county was organized on 1841. The county was named for George Mason, a member of the Virginia legislature who campaigned for the adoption of the United States Bill of Rights. 2.10 Ethnic, Political, and Religious GroupsĬounty Information Description.2.3 Business, Commerce, and Occupations.
1.3 Mason County, Illinois Record Dates.
