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Clinton County

Established
December 27, 1824 (Laws, 1825, p. 27)

Origin of the name of the county
Named for DeWitt Clinton, a distinguished lawyer, financier and statesman, Mayor of the city and Governor of the State of New York, United States Senator and chief promoter of the Erie Canal.

Present area, or parts of it, formerly included in
1818–1824 — Washington
1803–1813 — Randolph
1790–1818 — St. Clair

County Seats
1825–  — Carlyle

History of county governing board
1824–1849 — County Commissioners’ Court
1849–1874 — County Court
1874–  — County Board of Supervisors

Township Government
Adopted — November 4, 1873

Township Names
Breese
Brookside — Name changed from Crooked Creek on June 1, 1874.
Carlyle
Clement — Formed from Carlyle (no date).
East Fork — Name changed to Morris on June 1, 1874 and then back to East Fork (no date).
Germantown
Irishtown
Lake — Formed from part of Crooked Creek (Brookside) (no date).
Looking Glass
Meridian
Santa Fe — Formed from part of Germantown and Carlyle (no date).
St. Rose
Sugar Creek — Name changed from Trenton on June 1, 1874.
Wade — Formed from part of Carlyle.
Wheatfield — Name changed from Beaver on June 1, 1874.

Township Map

Pertinent Databases
Federal Township Plats of Illinois
Illinois Public Domain Land Tract Sales Database
Illinois Statewide Death Index, 1916–1950
Illinois Statewide Marriage Index
Local Governmental Records Database
Name Index to Illinois Local Governments