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Marshall County
Contact Information122 N. Prairie
Lacon, IL 61540
309-246-6325 — County Clerk
309-246-6435 — Circuit Clerk
309-246-6325 — Recorder
Illinois State University
2016 Warehouse Rd.
Campus Box 1520
Normal, IL 61790-1520
309-452-6027
Established
January 19, 1839 (Laws, 1839, p. 43)
Origin of the name of the county
Named for John Marshall, a soldier of the Revolution, statesman, author and jurist, Ambassador to France, Representative in Congress from Virginia, Secretary of State and Chief Justice of the United States Supreme Court.
Present area, or parts of it, formerly included in
1825–1839 — Putnam
1827–1827 — Peoria
1823–1825 — Fulton
1821–1823 — Sangamon
1817–1821 — Bond
1812–1821 — Madison
1801–1812 — St. Clair
1795–1801 — Knox, Northwest Territory
County Seats
1839– — Lacon
History of county governing board
1839–1850 — County Commissioners’ Court
1850– — County Board of Supervisors
Township Government
Adopted — November 6, 1849
Township Names
Bell Plain
Bennington — Formed from Bell Plain (date unknown, before 1860).
Evans
Henry
Hopewell
Lacon
La Prairie — Name changed from Fairfield in December, 1850.
Richland
Roberts
Saratoga — Formed from Whitefield (date unknown, before 1860).
Steuben
Whitefield
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