Whiteside County Courthouse—Front Entrance

Whiteside County Courthouse—Back Entrance

Addresses for County Courthouse and IRAD:

Established:		January 16, 1836 (Laws, 1836, p. 274)
		County organization was completed in 1839.
Origin of the name of the county:
	Named for Samuel Whiteside, a Colonel of the Territorial militia, Representative in the First General Assembly, and Brigadier General of the militia during the Black Hawk War.
Present area, or parts of it, formerly included in:
	1837–1839	Attached to Ogle (Laws, 1836, p. 277)
	1836–1837	Attached to JoDaviess (Laws, 1836, p. 277)
	1827–1836	JoDaviess
	1825–1836	Henry
	1825–1827	Putnam
	1823–1825	Fulton
	1821–1823	Pike
	1812–1821	Madison
	1795–1812	St. Clair
County Seats:
	1839–1841	Lyndon
	1841–1842	Sterling
	1842–1846	Lyndon
	1846–1847	Circuit Court at Sterling, County Commissioners’ Court at Lyndon
	1847–1857	Sterling
	1857–	Morrison
History of county governing board:
	1839–1849	County Commissioners’ Court
	1849–1852	County Court
	1852–	County Board of Supervisors
Township Government
	Adopted:	November 4, 1851
Township Names:
	Albany
	Clyde
	Coloma
	Erie
	Fenton	Name changed from Eden in September, 1852.
	Fulton
	Garden Plain
	Genesee
	Hahnaman
	Hopkins
	Hume	Name changed from Jackson in September, 1852. Como (originally named Homer, but changed in September, 1852) was absorbed into Hume (date unknown, before 1921).
	Jordan
	Lyndon
	Montmorency
	Mount Pleasant
	Newton	Name changed from Greenfield in September, 1852.
	Portland
	Prophetstown	Volney (originally named Washington but changed in September, 1852) was absorbed into Prophetstown (date unknown, before 1921).
	Sterling
	Tampico
	Union Grove
	Ustick	Name changed from Eustick (date unknown).