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Williamson County, Illinois
Genealogy, History & Facts

Williamson County, Illinois Facts

Williamson County

When was Williamson County, IL Created?
Williamson County was established on February 28, 1839.

What is the County Seat of Williamson County, IL?
The County Seat is located in Marion also, the county government website is .

What counties are adjacent to Williamson County, IL?
Bordering Counties are  Franklin County, Saline County, Pope County, Johnson County, Union County, Jackson County

Williamson County, IL Vital Records

Where can find Williamson County Birth, marriage, Divorce and Death Records?
Williamson County vital records can be found at the Illinois Department of Public Health has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Illinois for current fees and application process.

You can search online for Williamson County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Illinois Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Applications to mail.

Williamson County, IL Census Records

What Williamson County, IL census records are available?
There are many types of census records for Williamson County guide you in researching your family tree. Federal Population Schedules are available for 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

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

Williamson County, IL Courthouse and Government Records

Williamson County Courthouse

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

Williamson County, IL Societies and Family History Resources

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

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

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

Williamson Co. IL Maps, Atlases & Gazetteers

Williamson Co. IL Books, Newspapers & Publications

Williamson Co. IL Cemeteries & Church Records

Williamson Co. IL Family Websites, Pictures & Histories

Williamson Co. IL General and History Websites

Williamson Co. IL Military Records

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