Williamson
County Fact Sheet

Addresses for County
Courthouse and IRAD:
Williamson County Courthouse
200 W. Jefferson
Marion, IL 62959 |
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County Clerk
Circuit Clerk
Recorder
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(618) 997-1301, ext. 101
(618) 997-1301, ext. 114
(618) 997-1301, ext. 101 |
IRAD Depository
c/o Special Collections
Morris Library–6632
Southern Illinois University
Carbondale, IL 62901
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- Telephone:
(618) 453-3040
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| Established: |
February 28, 1839 (Laws, 1839, p. 110) |
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| Origin
of the name of the county: |
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Named after Williamson County in
Tennessee through the influence of emigrants from that county. |
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| Present
area, or parts of it, formerly included in: |
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1818–1839 |
Franklin |
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1816–1818 |
Jackson |
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1812–1818 |
Gallatin |
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1812–1816 |
Johnson |
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1795–1816 |
Randolph |
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1790–1801 |
Knox, Northwest Territory |
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| County
Seat: |
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1839– |
Marion |
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History of county
governing board: |
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1839–1849 |
County Commissioners’ Court |
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1849–1873 |
County Court |
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1873–1907 |
Board of County Commissioners |
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1907–1933 |
County Board of Supervisors |
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1933– |
Board of County Commissioners |
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| Documented
Record Losses |
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May 30, 1875—Fire |
Some records lost or damaged. |
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| Township
Government |
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Adopted: |
November 5, 1907 |
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Discontinued: |
November 1, 1932 |
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| Township
Names (1907–1932): |
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Blairsville |
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Carterville |
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Corinth |
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Crab Orchard |
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Creal Springs |
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East Marion |
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Grassy |
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Herrin |
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Lake Creek |
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Southern |
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Stonefort |
Name changed from Saline on January 4, 1908. |
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West Marion |
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