Union County ILGenWeb is a free genealogical site about the history of the county. It is a member of ILGenWeb, which is a member of USGenWeb®. We hope you find helpful clues for your research of Union County ancestors.
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County Co-Coordinators: Melissa McCord mysis64@gmail.com and Norma Hass normahass01@gmail.com
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 |
