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Clay County, Illinois
Genealogy, History & Facts

Clay County, Illinois Facts

When was Clay County, IL Created?
Clay County was established on December 23, 1824.

What is the County Seat of Clay County, IL?
The County Seat is located in Louisville (prior county seats was Maysville from 1825-1841) also, the county government website is .

What counties are adjacent to Clay County, IL?
Bordering Counties are   Jasper CountyRichland CountyWayne CountyMarion CountyFayette CountyEffingham County

Clay County, IL Census Records

What Clay County, IL census records are available?
There are many types of census records for Clay County guide you in researching your family tree. Federal Population Schedules are available for 183018401850186018701880 (free index)1890 (fragment)19001910192019301940.

Clay Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Clay Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Clay Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

Clay County, IL Courthouse and Government Records

Clay County Courthouse

What genealogical records can I find in the Clay County Courthouse?
Researchers frequently overlook the great importance of Clay County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Illinois courthouses and archives everywhere are the ambitions and frustrations of countless Illinois residents.

The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Clay County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Illinois Corthouse Records Research Guide.

Clay County, IL Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Clay County, IL?
A list of Clay County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Illinois Archives, Historical & Genealogical Societies.

Where can I connect with other Clay County, IL Researchers through message boards and forums?

What other genealogical resources are available in Clay County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Clay County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

Clay Co. IL Maps, Atlases & Gazetteers

Clay Co. IL Books, Newspapers & Publications

Clay Co. IL Cemeteries & Church Records

Clay Co. IL Family Websites, Pictures & Histories

Clay Co. IL General and History Websites

Clay Co. IL Military Records