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Clark County, Illinois
Genealogy, History & Facts

Clark County, Illinois Facts

When was Clark County, IL Created?
Clark County was established on March 23, 1819.

What is the County Seat of Clark County, IL?
The County Seat is located in Marshall (prior county seats was Aurora from 1818-1823, Darwin (Name changed from McClure’s Bluff) from1823-1838) also, the county government website is www.clarkcountyil.org .

What counties are adjacent to Clark County, IL?
Bordering Counties are   Edgar CountyVigo County, Indiana, Sullivan County, Indiana, Crawford CountyJasper CountyCumberland CountyColes County

Clark County, IL Census Records


What Clark County, IL census records are available?
There are many types of census records for Clark County guide you in researching your family tree. Federal Population Schedules are available for 1820183018401850186018701880 (free index)1890 (fragment)19001910192019301940.

Clark Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Clark Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Clark 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

Clark County, IL Courthouse and Government Records

Clark County Courthouse

What genealogical records can I find in the Clark County Courthouse?
Researchers frequently overlook the great importance of Clark 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 Clark 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.

Clark County, IL Societies and Family History Resources

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

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

What other genealogical resources are available in Clark County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Clark 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.

Clark Co. IL Maps, Atlases & Gazetteers

Clark Co. IL Books, Newspapers & Publications

Clark Co. IL Cemeteries & Church Records

Clark Co. IL Family Websites, Pictures & Histories

Clark Co. IL General and History Websites

Clark Co. IL Military Records