Union County ILGenWeb is a free genealogical site about the history of the county. We hope you find helpful clues for your family research of Union county ancestors.
Are you a return visitor? See our What's New log for the latest updates, changes, and additions.
Are you familiar with the area? Do you have a family tree connection to the area? Volunteers are always needed! Please consider contributing your pieces of Union County family history. Corrections, updates, and additions to this site are always welcome.
County Coordinator:
Melissa McCord mysis64@gmail.com
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Located in the southern portion of Illinois known locally as
"Little Egypt," Union County was created on January 2, 1818, the same year
Illinois became a state. The original boundries were carved from Johnson County.
In 1819, a portion was lost to form Alexander County,
reducing Union County to its current borders.
Union county was named in honor of a joint revival meeting of the Baptists and Dunkards, called a "union meeting." The county seal depicts the leaders of these two groups shaking hands.
The county seat is Jonesboro.
| Jackson | Williamson | |
| MO |
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Johnson |
| Alexander | Pulaski |
