List of United States representatives from Illinois

The following is an alphabetical list of members of the United States House of Representatives from the state of Illinois. For chronological tables of members of both houses of the United States Congress from the state (through the present day), see United States congressional delegations from Illinois. The list of names should be complete as of January 3, 2019, but other data may be incomplete. Illinois became the 21st state on December 3, 1818.

Current representatives

• 1st district: Jonathan Jackson (D) (since 2023)
• 2nd district: Robin Kelly (D) (since 2013)
• 3rd district: Delia Ramirez (D) (since 2023)
• 4th district: Jesús "Chuy" García (D) (since 2019)
• 5th district: Michael Quigley (D) (since 2009)
• 6th district: Sean Casten (D) (since 2019)
• 7th district: Danny K. Davis (D) (since 1997)
• 8th district: Raja Krishnamoorthi (D) (since 2017)
• 9th district: Jan Schakowsky (D) (since 1999)
• 10th district: Brad Schneider (D) (2013–2015, since 2017)
• 11th district: Bill Foster (D) (14th 2008–2011, since 2013)
• 12th district: Mike Bost (R) (since 2015)
• 13th district: Nikki Budzinski (D) (since 2023)
• 14th district: Lauren Underwood (D) (since 2019)
• 15th district: Mary Miller (R) (since 2021)
• 16th district: Darin LaHood (R) (since 2015)
• 17th district: Eric Sorensen (D) (since 2023)

List of members and delegates

Member / Delegate	Party	District	Years	Electoral history
J. Leroy Adair	Democratic	15th	March 4, 1933 – January 3, 1937	[data unknown/missing]
George E. Adams	Republican	4th	March 4, 1883 – March 4, 1891	[data unknown/missing]
Charles Adkins	Republican	19th	March 4, 1925 – March 4, 1933	[data unknown/missing]
J. Frank Aldrich	Republican	1st	March 4, 1893 – March 4, 1897	[data unknown/missing]
William Aldrich	Republican	1st	March 4, 1877 – March 4, 1883	[data unknown/missing]
James C. Allen	Democratic	7th	March 4, 1853 – July 18, 1856	House declared not entitled to seat
			November 4, 1856 – March 4, 1857	Re-elected to fill own vacancy
		At-large	March 4, 1863 – March 4, 1865	[data unknown/missing]
John Clayton Allen	Republican	14th	March 4, 1925 – March 4, 1933	[data unknown/missing]
Leo E. Allen	Republican	13th	March 4, 1933 – January 3, 1949	[data unknown/missing]
		16th	January 3, 1949 – January 3, 1961	[data unknown/missing]
William J. Allen	Democratic	9th	June 2, 1862 – March 4, 1863	[data unknown/missing]
		13th	March 4, 1863 – March 4, 1865	[data unknown/missing]
Willis Allen	Democratic	2nd	March 4, 1851 – March 4, 1853	[data unknown/missing]
		9th	March 4, 1853 – March 4, 1855	[data unknown/missing]
George A. Anderson	Democratic	12th	March 4, 1887 – March 4, 1889	[data unknown/missing]
John B. Anderson	Republican	16th	January 3, 1961 – January 3, 1981	[data unknown/missing]
William B. Anderson	Independent	19th	March 4, 1875 – March 4, 1877	[data unknown/missing]
Frank Annunzio	Democratic	7th	January 3, 1965 – January 3, 1973	[data unknown/missing]
		11th	January 3, 1973 – January 3, 1993	[data unknown/missing]
Leslie C. Arends	Republican	17th	January 3, 1935 – January 3, 1973	[data unknown/missing]
		15th	January 3, 1973 – December 31, 1974	Resigned
Isaac N. Arnold	Republican	2nd	March 4, 1861 – March 4, 1863	[data unknown/missing]
		1st	March 4, 1863 – March 4, 1865	[data unknown/missing]
Laurence F. Arnold	Democratic	23rd	January 3, 1937 – January 3, 1943	[data unknown/missing]
William W. Arnold	Democratic	23rd	March 4, 1923 – September 16, 1935	Resigned to become a member of the US Board of Tax Appeals
John C. Bagby	Democratic	10th	March 4, 1875 – March 4, 1877	[data unknown/missing]
Edward D. Baker	Whig	7th	March 4, 1845 – January 15, 1847	Resigned after being commissioned colonel of the 4th Regiment of the Illinois Volunteer Infantry
		6th	March 4, 1849 – March 4, 1851	[data unknown/missing]
Jehu Baker	Republican	12th	March 4, 1865 – March 4, 1869	[data unknown/missing]
		18th	March 4, 1887 – March 4, 1889	[data unknown/missing]
	Democratic	21st	March 4, 1897 – March 4, 1899	[data unknown/missing]
William N. Baltz	Democratic	22nd	March 4, 1913 – March 4, 1915	[data unknown/missing]
Hiram Barber Jr.	Republican	3rd	March 4, 1879 – March 4, 1881	[data unknown/missing]
James M. Barnes	Democratic	20th	January 3, 1939 – January 3, 1943	[data unknown/missing]
Granville Barrere	Republican	9th	March 4, 1873 – March 4, 1875	[data unknown/missing]
Harry P. Beam	Democratic	4th	March 4, 1931 – December 6, 1942	Resigned after being elected judge of the Municipal Court of Chicago
Melissa Bean	Democratic	8th	January 3, 2005 – January 3, 2011	[data unknown/missing]
Hugh R. Belknap	Republican	3rd	December 27, 1895 – March 4, 1899	Won contested election
John Lourie Beveridge	Republican	At-large	November 7, 1871 – January 4, 1873	Resigned to become Lieutenant Governor
Judy Biggert	Republican	13th	January 3, 1999 – January 3, 2013	[data unknown/missing]
C. W. Bishop	Republican	25th	January 3, 1941 – January 3, 1949	[data unknown/missing]
		26th	January 3, 1949 – January 3, 1953	[data unknown/missing]
		25th	January 3, 1953 – January 3, 1955	[data unknown/missing]
William H. Bissell	Democratic	1st	March 4, 1849 – March 4, 1853	[data unknown/missing]
	Independent Democratic	8th	March 4, 1853 – March 4, 1855	[data unknown/missing]
John C. Black	Democratic	At-large	March 4, 1893 – January 12, 1895	Resigned to become U.S. Attorney
Rod R. Blagojevich	Democratic	5th	January 3, 1997 – January 3, 2003	[data unknown/missing]
Shadrack Bond	Democratic-Republican	Territory	December 3, 1812 – August 2, 1813	[data unknown/missing]
Charles M. Borchers	Democratic	19th	March 4, 1913 – March 4, 1915	[data unknown/missing]
Mike Bost	Republican	12th	January 3, 2015 – Present	Incumbent
Henry S. Boutell	Republican	6th	November 23, 1897 – March 4, 1903	[data unknown/missing]
		9th	March 4, 1903 – March 4, 1911	[data unknown/missing]
James B. Bowler	Democratic	7th	July 7, 1953 – July 18, 1957	Died
Thomas A. Boyd	Republican	9th	March 4, 1877 – March 4, 1881	[data unknown/missing]
Lewis L. Boyer	Democratic	15th	January 3, 1937 – January 3, 1939	[data unknown/missing]
Charles A. Boyle	Democratic	12th	January 3, 1955 – November 4, 1959	Died
Martin A. Brennan	Democratic	At-large	March 4, 1933 – January 3, 1937	[data unknown/missing]
Lorenzo Brentano	Republican	3rd	March 4, 1877 – March 4, 1879	[data unknown/missing]
Frederick A. Britten	Republican	9th	March 4, 1913 – January 3, 1935	[data unknown/missing]
Henry P.H. Bromwell	Republican	7th	March 4, 1865 – March 4, 1869	[data unknown/missing]
Edwin B. Brooks	Republican	23rd	March 4, 1919 – March 4, 1923	[data unknown/missing]
Terry L. Bruce	Democratic	19th	January 3, 1985 – January 3, 1993	[data unknown/missing]
Frank Buchanan	Democratic	7th	March 4, 1911 – March 4, 1917	[data unknown/missing]
John T. Buckbee	Republican	12th	March 4, 1927 – April 23, 1936	Died
James R. Buckley	Democratic	6th	March 4, 1923 – March 4, 1925	[data unknown/missing]
James V. Buckley	Democratic	4th	January 3, 1949 – January 3, 1951	[data unknown/missing]
Nikki Budzinski	Democratic	13th	January 3, 2023 – Present	Incumbent
Horatio C. Burchard	Republican	3rd	December 6, 1869 – March 4, 1873	[data unknown/missing]
		5th	March 4, 1873 – March 4, 1879	[data unknown/missing]
Albert G. Burr	Democratic	10th	March 4, 1867 – March 4, 1871	[data unknown/missing]
Orlando Burrell	Republican	20th	March 4, 1895 – March 4, 1897	[data unknown/missing]
Fred E. Busbey	Republican	3rd	January 3, 1943 – January 3, 1945	[data unknown/missing]
Samuel T. Busey	Democratic	15th	March 4, 1891 – March 4, 1893	[data unknown/missing]
Cheri Bustos	Democratic	17th	January 3, 2013 – January 3, 2023	Retired.
Emmet F. Byrne	Republican	3rd	January 3, 1957 – January 3, 1959	[data unknown/missing]
Benjamin T. Cable	Democratic	11th	March 4, 1891 – March 4, 1893	[data unknown/missing]
Ben F. Caldwell	Democratic	17th	March 4, 1899 – March 4, 1903	[data unknown/missing]
		21st	March 4, 1903 – March 4, 1905	[data unknown/missing]
			March 4, 1907 – March 4, 1909	[data unknown/missing]
Alexander Campbell	Independent	7th	March 4, 1875 – March 4, 1877	[data unknown/missing]
James R. Campbell	Democratic	20th	March 4, 1897 – March 4, 1899	[data unknown/missing]
Thompson Campbell	Democratic	6th	March 4, 1851 – March 4, 1853	[data unknown/missing]
Joseph G. Cannon	Republican	14th	March 4, 1873 – March 4, 1883	[data unknown/missing]
		15th	March 4, 1883 – March 4, 1891
			March 4, 1893 – March 4, 1895	[data unknown/missing]
		12th	March 4, 1895 – March 4, 1903
		18th	March 4, 1903 – March 4, 1913
			March 4, 1915 – March 4, 1923	[data unknown/missing]
Cliffard D. Carlson	Republican	15th	April 4, 1972 – January 3, 1973	[data unknown/missing]
Zadok Casey	Jacksonian	2nd	March 4, 1833 – March 4, 1837	[data unknown/missing]
	Democratic		March 4, 1837 – March 4, 1841	[data unknown/missing]
	Independent Democratic		March 4, 1841 – March 4, 1843	[data unknown/missing]
Sean Casten	Democratic	6th	January 3, 2019 – Present	Incumbent
Bernard G. Caulfield	Democratic	1st	February 1, 1875 – March 4, 1877	[data unknown/missing]
Edwin V. Champion	Democratic	At-large	January 3, 1937 – January 3, 1939	[data unknown/missing]
Pleasant T. Chapman	Republican	24th	March 4, 1905 – March 4, 1911	[data unknown/missing]
Chester A. Chesney	Democratic	11th	January 3, 1949 – January 3, 1951	[data unknown/missing]
Robert A. Childs	Republican	8th	March 4, 1893 – March 4, 1895	[data unknown/missing]
Carl R. Chindblom	Republican	10th	March 4, 1919 – March 4, 1933	[data unknown/missing]
Burnett M. Chiperfield	Republican	At-large	March 4, 1915 – March 4, 1917	[data unknown/missing]
		15th	November 4, 1930 – March 4, 1933	[data unknown/missing]
Robert B. Chiperfield	Republican	15th	January 3, 1939 – January 3, 1949	[data unknown/missing]
		19th	January 3, 1949 – January 3, 1963	[data unknown/missing]
Marguerite S. Church	Republican	13th	January 3, 1951 – January 3, 1963	[data unknown/missing]
Ralph E. Church	Republican	10th	January 3, 1935 – January 3, 1941	[data unknown/missing]
			January 3, 1943 – January 3, 1949	[data unknown/missing]
		13th	January 3, 1949 – March 21, 1950	Died
Isaac Clements	Republican	18th	March 4, 1873 – March 4, 1875	[data unknown/missing]
Roy Clippinger	Republican	24th	November 6, 1945 – January 3, 1949	[data unknown/missing]
Harold R. Collier	Republican	10th	January 3, 1957 – January 3, 1973	[data unknown/missing]
		6th	January 3, 1973 – January 3, 1975	[data unknown/missing]
Cardiss Collins	Democratic	7th	June 5, 1973 – January 3, 1997	[data unknown/missing]
George W. Collins	Democratic	6th	November 3, 1970 – December 8, 1972	Died
James A. Connolly	Republican	17th	March 4, 1895 – March 4, 1899	[data unknown/missing]
Burton C. Cook	Republican	6th	March 4, 1865 – August 26, 1871	Resigned
Daniel P. Cook	Democratic-Republican	At-large	March 4, 1819 – March 4, 1825	[data unknown/missing]
	Anti-Jacksonian		March 4, 1825 – March 4, 1827
Edward D. Cooke	Republican	6th	March 4, 1895 – June 24, 1897	Died
Ira C. Copley	Republican	11th	March 4, 1911 – March 4, 1915	[data unknown/missing]
	Progressive		March 4, 1915 – March 4, 1917	[data unknown/missing]
	Republican		March 4, 1917 – March 4, 1923	[data unknown/missing]
Tom Corcoran	Republican	15th	January 3, 1977 – January 3, 1983	[data unknown/missing]
		14th	January 3, 1983 – November 28, 1984	Resigned to run for the US Senate
Franklin Corwin	Republican	7th	March 4, 1873 – March 4, 1875	[data unknown/missing]
Jerry F. Costello	Democratic	21st	August 9, 1988 – January 3, 1993	[data unknown/missing]
		12th	January 3, 1993 – January 3, 2013	[data unknown/missing]
John W. Cox Jr.	Democratic	16th	January 3, 1991 – January 3, 1993	[data unknown/missing]
Dan Crane	Republican	22nd	January 3, 1979 – January 3, 1983	[data unknown/missing]
		19th	January 3, 1983 – January 3, 1985	[data unknown/missing]
Philip M. Crane	Republican	13th	November 25, 1969 – January 3, 1973	[data unknown/missing]
		12th	January 3, 1973 – January 3, 1993	[data unknown/missing]
		8th	January 3, 1993 – January 3, 2005	[data unknown/missing]
John M. Crebs	Democratic	13th	March 4, 1869 – March 4, 1873	[data unknown/missing]
Joseph B. Crowley	Democratic	19th	March 4, 1899 – March 4, 1903	[data unknown/missing]
		23rd	March 4, 1903 – March 4, 1905	[data unknown/missing]
William Cullen	Republican	7th	March 4, 1881 – March 4, 1883	[data unknown/missing]
		8th	March 4, 1883 – March 4, 1885	[data unknown/missing]
Shelby M. Cullom	Republican	8th	March 4, 1865 – March 4, 1871	[data unknown/missing]
Thomas Cusack	Democratic	4th	March 4, 1899 – March 4, 1901	[data unknown/missing]
Danny K. Davis	Democratic	7th	January 3, 1997 – Present	Incumbent
George R. Davis	Republican	2nd	March 4, 1879 – March 4, 1883	[data unknown/missing]
		3rd	March 4, 1883 – March 4, 1885	[data unknown/missing]
Jack Davis	Republican	4th	January 3, 1987 – January 3, 1989	[data unknown/missing]
Jacob C. Davis	Democratic	5th	November 4, 1856 – March 4, 1857	[data unknown/missing]
Rodney Davis	Republican	13th	January 3, 2013 – January 3, 2023	Redistrticted to the 13th district and lost renomination to Miller
William L. Dawson	Democratic	1st	January 3, 1943 – November 9, 1970	Died
Stephen A. Day	Republican	At-large	January 3, 1941 – January 3, 1945	[data unknown/missing]
Oscar De Priest	Republican	1st	March 4, 1929 – January 3, 1935	[data unknown/missing]
Edward E. Denison	Republican	25th	March 4, 1915 – March 4, 1931	[data unknown/missing]
Edward J. Derwinski	Republican	4th	January 3, 1959 – January 3, 1983	[data unknown/missing]
Charles S. Dewey	Republican	9th	January 3, 1941 – January 3, 1945	[data unknown/missing]
Frank S. Dickson	Republican	23rd	March 4, 1905 – March 4, 1907	[data unknown/missing]
William H. Dieterich	Democratic	At-large	March 4, 1931 – March 4, 1933	[data unknown/missing]
Everett M. Dirksen	Republican	16th	March 4, 1933 – January 3, 1949	[data unknown/missing]
Donald C. Dobbins	Democratic	19th	March 4, 1933 – January 3, 1937	[data unknown/missing]
Robert Dold	Republican	10th	January 3, 2011 – January 3, 2013	[data unknown/missing]
			January 3, 2015 – January 3, 2017	[data unknown/missing]
Emily Taft Douglas	Democratic	At-large	January 3, 1945 – January 3, 1947	[data unknown/missing]
Stephen A. Douglas	Democratic	5th	March 4, 1843 – March 3, 1847	Resigned at close of Congress after being elected to the US Senate
Finis E. Downing	Democratic	16th	March 4, 1895 – June 5, 1896	Lost contested election
Thomas A. Doyle	Democratic	4th	November 6, 1923 – March 4, 1931	[data unknown/missing]
Tammy Duckworth	Democratic	8th	January 3, 2013 – January 3, 2017	Elected to US Senate
Joseph Duncan	Jacksonian	At-large	March 4, 1827 – March 4, 1833	[data unknown/missing]
		3rd	March 4, 1833 – September 21, 1834	Resigned to become Governor of Illinois
Ransom W. Dunham	Republican	1st	March 4, 1883 – March 4, 1889	[data unknown/missing]
Richard J. Durbin	Democratic	20th	January 3, 1983 – January 3, 1997	[data unknown/missing]
Allan C. Durborow Jr.	Democratic	3rd	March 4, 1891 – March 4, 1895	[data unknown/missing]
John R. Eden	Democratic	7th	March 4, 1863 – March 4, 1865	[data unknown/missing]
		15th	March 4, 1873 – March 4, 1879	[data unknown/missing]
		17th	March 4, 1885 – March 4, 1887	[data unknown/missing]
Reuben Ellwood	Republican	5th	March 4, 1883 – July 1, 1885	Died
Rahm Emanuel	Democratic	5th	January 3, 2003 – January 2, 2009	Resigned to become White House Chief of Staff
Martin Emerich	Democratic	1st	March 4, 1903 – March 4, 1905	[data unknown/missing]
William Enyart	Democratic	12th	January 3, 2013 – January 3, 2015	[data unknown/missing]
John N. Erlenborn	Republican	14th	January 3, 1965 – January 3, 1983	[data unknown/missing]
		13th	January 3, 1983 – January 3, 1985	[data unknown/missing]
Lane Evans	Democratic	17th	January 3, 1983 – January 3, 2007	[data unknown/missing]
Lynden Evans	Democratic	9th	March 4, 1911 – March 4, 1913	[data unknown/missing]
Thomas W. Ewing	Republican	15th	July 2, 1991 – January 3, 2001	[data unknown/missing]
John F. Farnsworth	Republican	2nd	March 4, 1857 – March 4, 1861	[data unknown/missing]
			March 4, 1863 – March 4, 1873	[data unknown/missing]
Charles B. Farwell	Republican	1st	March 4, 1871 – March 4, 1873	[data unknown/missing]
		3rd	March 4, 1873 – May 6, 1876	Lost contested election
			March 4, 1881 – March 4, 1883	[data unknown/missing]
John G. Fary	Democratic	5th	July 8, 1975 – January 3, 1983	[data unknown/missing]
Harris W. Fawell	Republican	13th	January 3, 1985 – January 3, 1999	[data unknown/missing]
John J. Feely	Democratic	2nd	March 4, 1901 – March 4, 1903	[data unknown/missing]
Orlando B. Ficklin	Democratic	3rd	March 4, 1843 – March 4, 1849	[data unknown/missing]
			March 4, 1851 – March 4, 1853	[data unknown/missing]
Paul Findley	Republican	20th	January 3, 1961 – January 3, 1983	[data unknown/missing]
John F. Finerty	Independent Democratic	2nd	March 4, 1883 – March 4, 1885	[data unknown/missing]
Edward R. Finnegan	Democratic	12th	January 3, 1961 – January 3, 1963	[data unknown/missing]
		9th	January 3, 1963 – December 6, 1964	Resigned to become Judge of the Circuit Court of Cook County, IL
George W. Fithian	Democratic	16th	March 4, 1889 – March 4, 1895	[data unknown/missing]
Louis Fitzhenry	Democratic	17th	March 4, 1913 – March 4, 1915	[data unknown/missing]
Michael Patrick Flanagan	Republican	5th	January 3, 1995 – January 3, 1997	[data unknown/missing]
William St. John Forman	Democratic	18th	March 4, 1889 – March 4, 1895	[data unknown/missing]
Albert P. Forsythe	Greenback	15th	March 4, 1879 – March 4, 1881	[data unknown/missing]
Greenbury L. Fort	Republican	8th	March 4, 1873 – March 4, 1881	[data unknown/missing]
George E. Foss	Republican	7th	March 4, 1895 – March 4, 1903	[data unknown/missing]
		10th	March 4, 1903 – March 4, 1913	[data unknown/missing]
			March 4, 1915 – March 4, 1919	[data unknown/missing]
Bill Foster	Democratic	14th	March 8, 2008 – January 3, 2011	[data unknown/missing]
		11th	January 3, 2013 – Present	Incumbent
George Peter Foster	Democratic	3rd	March 4, 1899 – March 4, 1903	[data unknown/missing]
		4th	March 4, 1903 – March 4, 1905	[data unknown/missing]
Martin D. Foster	Democratic	23rd	March 4, 1907 – March 4, 1919	[data unknown/missing]
Philip B. Fouke	Democratic	8th	March 4, 1859 – March 4, 1863	[data unknown/missing]
H. Robert Fowler	Democratic	24th	March 4, 1911 – March 4, 1915	[data unknown/missing]
Frank W. Fries	Democratic	21st	January 3, 1937 – January 3, 1941	[data unknown/missing]
Charles Eugene Fuller	Republican	12th	March 4, 1903 – March 4, 1913	[data unknown/missing]
			March 4, 1915 – June 25, 1926	Died
Benjamin F. Funk	Republican	14th	March 4, 1893 – March 4, 1895	[data unknown/missing]
Frank H. Funk	Republican	17th	March 4, 1921 – March 4, 1927	[data unknown/missing]
Thomas Gallagher	Democratic	8th	March 4, 1909 – March 4, 1921	[data unknown/missing]
Jesús "Chuy" García	Democratic	4th	January 3, 2019 – Present	Incumbent
William H. Gest	Republican	11th	March 4, 1887 – March 4, 1891	[data unknown/missing]
Frank Gillespie	Democratic	17th	March 4, 1933 – January 3, 1935	[data unknown/missing]
Julius Goldzier	Democratic	4th	March 4, 1893 – March 4, 1895	[data unknown/missing]
Thomas S. Gordon	Democratic	8th	January 3, 1943 – January 3, 1959	[data unknown/missing]
George E. Gorman	Democratic	3rd	March 4, 1913 – March 4, 1915	[data unknown/missing]
John J. Gorman	Republican	6th	March 4, 1921 – March 4, 1923	[data unknown/missing]
			March 4, 1925 – March 4, 1927	[data unknown/missing]
Martin Gorski	Democratic	4th	January 3, 1943 – January 3, 1949	Died
		5th	January 3, 1949 – December 4, 1949
Joseph V. Graff	Republican	14th	March 4, 1895 – March 4, 1903	[data unknown/missing]
		16th	March 4, 1903 – March 4, 1911
James M. Graham	Democratic	21st	March 4, 1909 – March 4, 1915	[data unknown/missing]
William J. Graham	Republican	14th	March 4, 1917 – June 7, 1924	Resigned to become presiding judge of the US Court of Appeals
Peter C. Granata	Republican	8th	March 4, 1931 – April 5, 1932	Lost contested election
Kenneth J. Gray	Democratic	25th	January 3, 1955 – January 3, 1963	[data unknown/missing]
		21st	January 3, 1963 – January 3, 1973	[data unknown/missing]
		24th	January 3, 1973 – December 31, 1974	Resigned
		22nd	January 3, 1985 – January 3, 1989	[data unknown/missing]
John E. Grotberg	Republican	14th	January 3, 1985 – November 15, 1986	Died
Luis V. Gutierrez	Democratic	4th	January 3, 1993 – January 3, 2019	[data unknown/missing]
William F.L. Hadley	Republican	18th	December 2, 1895 – March 4, 1897	[data unknown/missing]
Homer W. Hall	Republican	17th	March 4, 1927 – March 4, 1933	[data unknown/missing]
Tim Lee Hall	Democratic	15th	January 3, 1975 – January 3, 1977	[data unknown/missing]
Debbie Halvorson	Democratic	11th	January 3, 2009 – January 3, 2011	[data unknown/missing]
Robert P. Hanrahan	Republican	3rd	January 3, 1973 – January 3, 1975	[data unknown/missing]
John J. Hardin	Whig	7th	March 4, 1843 – March 4, 1845	[data unknown/missing]
Abner C. Harding	Republican	4th	March 4, 1865 – March 4, 1869	[data unknown/missing]
Philip Hare	Democratic	17th	January 3, 2007 – January 3, 2011	[data unknown/missing]
Charles M. Harris	Democratic	4th	March 4, 1863 – March 4, 1865	[data unknown/missing]
Thomas L. Harris	Democratic	7th	March 4, 1849 – March 4, 1851	[data unknown/missing]
		6th	March 4, 1855 – November 24, 1858	Died
Carter Harrison Sr.	Democratic	2nd	March 4, 1875 – March 4, 1879	[data unknown/missing]
William Hartzell	Democratic	18th	March 4, 1875 – March 4, 1879	[data unknown/missing]
J. Dennis Hastert	Republican	14th	January 3, 1987 – November 26, 2007	Resigned
Robert M. A. Hawk	Republican	5th	March 4, 1879 – June 29, 1882	Died
John B. Hawley	Republican	4th	March 4, 1869 – March 4, 1873	[data unknown/missing]
		6th	March 4, 1873 – March 4, 1875	[data unknown/missing]
John B. Hay	Republican	12th	March 4, 1869 – March 4, 1873	[data unknown/missing]
Charles Hayes	Democratic	1st	August 23, 1983 – January 3, 1993	[data unknown/missing]
Philip C. Hayes	Republican	7th	March 4, 1877 – March 4, 1881	[data unknown/missing]
James V. Heidinger	Republican	24th	January 3, 1941 – March 22, 1945	Died
Thomas J. Henderson	Republican	6th	March 4, 1875 – March 4, 1883	[data unknown/missing]
		7th	March 4, 1883 – March 4, 1895	[data unknown/missing]
John Henry	Whig	7th	February 5, 1847 – March 4, 1847	[data unknown/missing]
Charles A. Hill	Republican	8th	March 4, 1889 – March 4, 1891	[data unknown/missing]
Robert P. Hill	Democratic	25th	March 4, 1913 – March 4, 1915	[data unknown/missing]
William H. Hinebaugh	Progressive	12th	March 4, 1913 – March 4, 1915	[data unknown/missing]
William H. Hinrichsen	Democratic	16th	March 4, 1897 – March 4, 1899	[data unknown/missing]
Robert R. Hitt	Republican	5th	November 7, 1882 – March 4, 1883	Died
		6th	March 4, 1883 – March 4, 1895
		9th	March 4, 1895 – March 4, 1903
		13th	March 4, 1903 – September 20, 1906
Charles D. Hodges	Democratic	6th	January 4, 1859 – March 4, 1859	[data unknown/missing]
Elmer J. Hoffman	Republican	14th	January 3, 1959 – January 3, 1965	[data unknown/missing]
Richard W. Hoffman	Republican	10th	January 3, 1949 – January 3, 1957	[data unknown/missing]
Joseph P. Hoge	Democratic	6th	March 4, 1843 – March 4, 1847	[data unknown/missing]
William P. Holaday	Republican	18th	March 4, 1923 – March 4, 1933	[data unknown/missing]
Albert J. Hopkins	Republican	5th	December 7, 1885 – March 4, 1895	[data unknown/missing]
		8th	March 4, 1895 – March 4, 1903	[data unknown/missing]
George Evan Howell	Republican	21st	January 3, 1941 – October 5, 1947	Resigned after becoming judge of the US Court of Claims
Stephen A. Hoxworth	Democratic	15th	March 4, 1913 – March 4, 1915	[data unknown/missing]
Winnifred Huck	Republican	At-large	November 7, 1922 – March 4, 1923	[data unknown/missing]
Morton D. Hull	Republican	2nd	April 23, 1923 – March 4, 1933	[data unknown/missing]
William E. Hull	Republican	16th	March 4, 1923 – March 4, 1933	[data unknown/missing]
Randy Hultgren	Republican	14th	January 3, 2011 – January 3, 2019	[data unknown/missing]
Andrew J. Hunter	Democratic	At-large	March 4, 1893 – March 4, 1895	[data unknown/missing]
		19th	March 4, 1897 – March 4, 1899	[data unknown/missing]
Stephen A. Hurlbut	Republican	4th	March 4, 1873 – March 4, 1877	[data unknown/missing]
Henry J. Hyde	Republican	6th	January 3, 1975 – January 3, 2007	[data unknown/missing]
James T. Igoe	Democratic	6th	March 4, 1927 – March 4, 1933	[data unknown/missing]
Michael L. Igoe	Democratic	At-large	January 3, 1935 – June 2, 1935	Resigned to become U.S. Attorney
Ebon C. Ingersoll	Republican	5th	May 20, 1864 – March 4, 1871	[data unknown/missing]
Clifford C. Ireland	Republican	16th	March 4, 1917 – March 4, 1923	[data unknown/missing]
Edward M. Irwin	Republican	22nd	March 4, 1925 – March 4, 1931	[data unknown/missing]
Jesse Jackson, Jr.	Democratic	2nd	December 12, 1995 – November 21, 2012	Resigned
Jonathan Jackson	Democratic	1st	January 3, 2023 – Present	Incumbent
Edward H. Jenison	Republican	18th	January 3, 1947 – January 3, 1949	[data unknown/missing]
		23rd	January 3, 1949 – January 3, 1953	[data unknown/missing]
Thomas M. Jett	Democratic	18th	March 4, 1897 – March 4, 1903	[data unknown/missing]
Anton J. Johnson	Republican	14th	January 3, 1939 – January 3, 1949	[data unknown/missing]
Calvin D. Johnson	Republican	22nd	January 3, 1943 – January 3, 1945	[data unknown/missing]
Tim Johnson	Republican	15th	January 3, 2001 – January 3, 2013	[data unknown/missing]
William Richard Johnson	Republican	13th	March 4, 1925 – March 4, 1933	[data unknown/missing]
Edgar A. Jonas	Republican	12th	January 3, 1949 – January 3, 1955	[data unknown/missing]
Norman B. Judd	Republican	1st	March 4, 1867 – March 4, 1871	[data unknown/missing]
Niels Juul	Republican	7th	March 4, 1917 – March 4, 1921	[data unknown/missing]
Charles A. Karch	Democratic	22nd	March 4, 1931 – November 6, 1932	Died
Russell W. Keeney	Republican	14th	January 3, 1957 – January 11, 1958	Died
Kent E. Keller	Democratic	25th	March 4, 1931 – January 3, 1941	[data unknown/missing]
William Kellogg	Republican	4th	March 4, 1857 – March 4, 1863	[data unknown/missing]
Edward A. Kelly	Democratic	3rd	March 4, 1931 – January 3, 1943	[data unknown/missing]
			January 3, 1945 – January 3, 1947	[data unknown/missing]
Robin Kelly	Democratic	2nd	April 9, 2013 – Present	Incumbent
Fred J. Kern	Democratic	21st	March 4, 1901 – March 4, 1903	[data unknown/missing]
Edward John King	Republican	15th	March 4, 1915 – February 17, 1929	Died
Adam Kinzinger	Republican	11th	January 3, 2011 – January 3, 2013	[data unknown/missing]
		16th	January 3, 2013 – January 3, 2023	Retired.
Mark Kirk	Republican	10th	January 3, 2001 – November 29, 2010	Resigned after being elected to the U.S. Senate
John C. Kluczynski	Democratic	5th	January 3, 1951 – January 26, 1975	Died
Anthony L. Knapp	Democratic	6th	December 12, 1861 – March 4, 1863	[data unknown/missing]
		10th	March 4, 1863 – March 4, 1865	[data unknown/missing]
Robert M. Knapp	Democratic	11th	March 4, 1873 – March 4, 1875	[data unknown/missing]
			March 4, 1877 – March 4, 1879	[data unknown/missing]
Philip Knopf	Republican	7th	March 4, 1903 – March 4, 1909	[data unknown/missing]
James Knox	Whig	4th	March 4, 1853 – March 4, 1855	[data unknown/missing]
	Opposition		March 4, 1855 – March 4, 1857	[data unknown/missing]
Leo Kocialkowski	Democratic	8th	March 4, 1933 – January 3, 1943	[data unknown/missing]
Raja Krishnamoorthi	Democratic	8th	January 3, 2017 – Present	Incumbent
Stanley H. Kunz	Democratic	8th	March 4, 1921 – March 4, 1931	[data unknown/missing]
			April 5, 1932 – March 4, 1933	Won contested election
Andrew J. Kuykendall	Republican	13th	March 4, 1865 – March 4, 1867	[data unknown/missing]
Darin LaHood	Republican	18th	September 10, 2015 – January 3, 2023	Elected to finish Aaron Schock's term.
		16th	January 3, 2023 – Present	Incumbent.
Ray LaHood	Republican	18th	January 3, 1995 – January 3, 2009	[data unknown/missing]
Silas Z. Landes	Democratic	16th	March 4, 1885 – March 4, 1889	[data unknown/missing]
Edward Lane	Democratic	17th	March 4, 1887 – March 4, 1895	[data unknown/missing]
William Lathrop	Republican	4th	March 4, 1877 – March 4, 1879	[data unknown/missing]
Frank Lawler	Democratic	2nd	March 4, 1885 – March 4, 1891	[data unknown/missing]
John V. Le Moyne	Democratic	3rd	May 6, 1876 – March 4, 1877	Won contested election
John H. Lewis	Republican	9th	March 4, 1881 – March 4, 1883	[data unknown/missing]
Roland V. Libonati	Democratic	7th	December 31, 1957 – January 3, 1965	[data unknown/missing]
Abraham Lincoln	Whig	7th	March 4, 1847 – March 4, 1849	Retired to private sector.
Neil J. Linehan	Democratic	3rd	January 3, 1949 – January 3, 1951	[data unknown/missing]
William W. Link	Democratic	7th	January 3, 1945 – January 3, 1947	[data unknown/missing]
Bill Lipinski	Democratic	5th	January 3, 1983 – January 3, 1993	[data unknown/missing]
		3rd	January 3, 1993 – January 3, 2005	[data unknown/missing]
Dan Lipinski	Democratic	3rd	January 3, 2005 – January 3, 2021	Defeated in primary by Marie Newman
John A. Logan	Democratic	9th	March 4, 1859 – April 2, 1862	Resigned to accept commission as a brigadier general in the Union Army
	Republican	At-large	March 4, 1867 – March 3, 1871	Resigned to become a US Senator
Lewis M. Long	Democratic	At-large	January 3, 1937 – January 3, 1939	[data unknown/missing]
William Lorimer	Republican	2nd	March 4, 1895 – March 4, 1901	[data unknown/missing]
		6th	March 4, 1903 – June 17, 1909	Resigned after being elected to the US Senate
Owen Lovejoy	Republican	3rd	March 4, 1857 – March 4, 1863	[data unknown/missing]
		5th	March 4, 1863 – March 25, 1864	Died
Frank O. Lowden	Republican	13th	November 6, 1906 – March 4, 1911	[data unknown/missing]
Scott W. Lucas	Democratic	20th	January 3, 1935 – January 3, 1939	[data unknown/missing]
Frederick Lundin	Republican	7th	March 4, 1909 – March 4, 1911	[data unknown/missing]
A. F. Maciejewski	Democratic	6th	January 3, 1939 – December 8, 1942	Resigned
Peter F. Mack Jr.	Democratic	21st	January 3, 1949 – January 3, 1963	[data unknown/missing]
Martin B. Madden	Republican	1st	March 4, 1905 – April 27, 1928	Died
Edward Rell Madigan	Republican	21st	January 3, 1973 – January 3, 1983	[data unknown/missing]
		15th	January 3, 1983 – March 8, 1991	Resigned to become U.S. Secretary of Agriculture
William F. Mahoney	Democratic	5th	March 4, 1901 – March 4, 1903	[data unknown/missing]
		8th	March 4, 1903 – December 27, 1904	Died
J. Earl Major	Democratic	21st	March 4, 1923 – March 4, 1925	[data unknown/missing]
			March 4, 1927 – March 4, 1929	[data unknown/missing]
			March 4, 1931 – October 6, 1933	Resigned after becoming judge of the US District Court for the Southern District of Illinois
James R. Mann	Republican	1st	March 4, 1897 – March 4, 1903	[data unknown/missing]
		2nd	March 4, 1903 – November 30, 1922	Died
Donald A. Manzullo	Republican	16th	January 3, 1993 – January 3, 2013	[data unknown/missing]
Benjamin F. Marsh	Republican	10th	March 4, 1877 – March 4, 1883	[data unknown/missing]
		11th	March 4, 1893 – March 4, 1895	[data unknown/missing]
		15th	March 4, 1895 – March 4, 1901	[data unknown/missing]
		14th	March 4, 1903 – June 2, 1905	Died
Samuel S. Marshall	Democratic	9th	March 4, 1855 – March 4, 1859	[data unknown/missing]
		11th	March 4, 1865 – March 4, 1873	[data unknown/missing]
		19th	March 4, 1873 – March 4, 1875	[data unknown/missing]
Charles Martin	Democratic	4th	March 4, 1917 – October 28, 1917	Died
James Stewart Martin	Republican	16th	March 4, 1873 – March 4, 1875	[data unknown/missing]
John C. Martin	Democratic	At-large	January 3, 1939 – January 3, 1941	[data unknown/missing]
Lynn Morley Martin	Republican	16th	January 3, 1981 – January 3, 1991	[data unknown/missing]
Harry H. Mason	Democratic	21st	January 3, 1935 – January 3, 1937	[data unknown/missing]
Noah M. Mason	Republican	12th	January 3, 1937 – January 3, 1949	[data unknown/missing]
		15th	January 3, 1949 – January 3, 1963	[data unknown/missing]
William E. Mason	Republican	3rd	March 4, 1887 – March 4, 1891	[data unknown/missing]
		At-large	March 4, 1917 – June 16, 1921	Died
William L. May	Democratic	3rd	December 1, 1834 – March 4, 1837	[data unknown/missing]
			March 4, 1837 – March 4, 1839	[data unknown/missing]
James McAndrews	Democratic	4th	March 4, 1901 – March 4, 1903	[data unknown/missing]
		5th	March 4, 1903 – March 4, 1905	[data unknown/missing]
		6th	March 4, 1913 – March 4, 1921	[data unknown/missing]
		9th	January 3, 1935 – January 3, 1941	[data unknown/missing]
John A. McClernand	Democratic	2nd	March 4, 1843 – March 4, 1851	[data unknown/missing]
		6th	November 8, 1859 – October 28, 1861	Resigned to accept commission as brigadier general of volunteers for service in the Civil War
Robert McClory	Republican	12th	January 3, 1963 – January 3, 1973	[data unknown/missing]
		13th	January 3, 1973 – January 3, 1983	[data unknown/missing]
Joseph M. McCormick	Republican	At-large	March 4, 1917 – March 4, 1919	[data unknown/missing]
Ruth H. McCormick	Republican	At-large	March 4, 1929 – March 4, 1931	[data unknown/missing]
John J. McDannold	Democratic	12th	March 4, 1893 – March 4, 1895	[data unknown/missing]
James T. McDermott	Democratic	4th	March 4, 1907 – July 21, 1914	Resigned
			March 4, 1915 – March 4, 1917	Elected to fill his own seat
Lawrence E. McGann	Democratic	2nd	March 4, 1891 – March 4, 1895	[data unknown/missing]
		3rd	March 4, 1895 – December 27, 1895	Lost contested election
Charles McGavin	Republican	8th	March 4, 1905 – March 4, 1909	[data unknown/missing]
John C. McKenzie	Republican	13th	March 4, 1911 – March 4, 1925	[data unknown/missing]
Raymond S. McKeough	Democratic	2nd	January 3, 1935 – January 3, 1943	[data unknown/missing]
William B. McKinley	Republican	19th	March 4, 1905 – March 4, 1913	[data unknown/missing]
			March 4, 1915 – March 4, 1921	[data unknown/missing]
James McKinney	Republican	14th	November 7, 1905 – March 4, 1913	[data unknown/missing]
John McLean	Democratic-Republican	At-large	December 3, 1818 – March 4, 1819	[data unknown/missing]
Robert T. McLoskey	Republican	19th	January 3, 1963 – January 3, 1965	[data unknown/missing]
Rolla C. McMillen	Republican	19th	June 13, 1944 – January 3, 1949	[data unknown/missing]
		22nd	January 3, 1949 – January 3, 1951	[data unknown/missing]
Thompson W. McNeely	Democratic	9th	March 4, 1869 – March 4, 1873	[data unknown/missing]
John McNulta	Republican	13th	March 4, 1873 – March 4, 1875	[data unknown/missing]
William E. McVey	Republican	4th	January 3, 1951 – August 10, 1958	Died
James A. Meeks	Democratic	18th	March 4, 1933 – January 3, 1939	[data unknown/missing]
Ralph Metcalfe	Democratic	1st	January 3, 1971 – October 10, 1978	Died
M. Alfred Michaelson	Republican	7th	March 4, 1921 – March 4, 1931	[data unknown/missing]
Anthony Michalek	Republican	5th	March 4, 1905 – March 4, 1907	[data unknown/missing]
Robert H. Michel	Republican	18th	January 3, 1957 – January 3, 1995	[data unknown/missing]
J. Ross Mickey	Democratic	15th	March 4, 1901 – March 4, 1903	[data unknown/missing]
Abner J. Mikva	Democratic	2nd	January 3, 1969 – January 3, 1973	[data unknown/missing]
		10th	January 3, 1975 – September 26, 1979	Resigned to become judge of U.S. Court of Appeals
Edward E. Miller	Republican	22nd	March 4, 1923 – March 4, 1925	[data unknown/missing]
Mary Miller	Republican	15th	January 3, 2021 – Present	Incumbent
Daniel W. Mills	Republican	4th	March 4, 1897 – March 4, 1899	[data unknown/missing]
Arthur W. Mitchell	Democratic	1st	January 3, 1935 – January 3, 1943	[data unknown/missing]
Richard S. Molony	Democratic	4th	March 4, 1851 – March 4, 1853	[data unknown/missing]
Allen F. Moore	Republican	19th	March 4, 1921 – March 4, 1925	[data unknown/missing]
Jesse Hale Moore	Republican	7th	March 4, 1869 – March 4, 1873	[data unknown/missing]
Isaac N. Morris	Democratic	5th	March 4, 1857 – March 4, 1861	[data unknown/missing]
James L.D. Morrison	Democratic	8th	November 4, 1856 – March 4, 1857	[data unknown/missing]
William Ralls Morrison	Democratic	12th	March 4, 1863 – March 4, 1865	[data unknown/missing]
		17th	March 4, 1873 – March 4, 1883	[data unknown/missing]
		18th	March 4, 1883 – March 4, 1887
Samuel W. Moulton	Republican	At-large	March 4, 1865 – March 4, 1867	[data unknown/missing]
	Democratic	15th	March 4, 1881 – March 4, 1883	[data unknown/missing]
		17th	March 4, 1883 – March 4, 1885
William J. Moxley	Republican	6th	November 23, 1909 – March 4, 1911	[data unknown/missing]
P. H. Moynihan	Republican	2nd	March 4, 1933 – January 3, 1935	[data unknown/missing]
Everett J. Murphy	Republican	21st	March 4, 1895 – March 4, 1897	[data unknown/missing]
Morgan F. Murphy	Democratic	3rd	January 3, 1971 – January 3, 1973	[data unknown/missing]
		2nd	January 3, 1973 – January 3, 1981	[data unknown/missing]
William T. Murphy	Democratic	3rd	January 3, 1959 – January 3, 1971	[data unknown/missing]
James C. Murray	Democratic	3rd	January 3, 1955 – January 3, 1957	[data unknown/missing]
William H. Neece	Democratic	11th	March 4, 1883 – March 4, 1887	[data unknown/missing]
Walter Nesbit	Democratic	At-large	March 4, 1933 – January 3, 1935	[data unknown/missing]
Walter C. Newberry	Democratic	4th	March 4, 1891 – March 4, 1893	[data unknown/missing]
Marie Newman	Democratic	3rd	January 3, 2021 – January 3, 2023	Redistricted to the 6th district and lost renomination to Casten.
Edward T. Noonan	Democratic	5th	March 4, 1899 – March 4, 1901	[data unknown/missing]
Jesse O. Norton	Whig	3rd	March 4, 1853 – March 4, 1855	[data unknown/missing]
	Opposition		March 4, 1855 – March 4, 1857
	Republican	6th	March 4, 1863 – March 4, 1865	[data unknown/missing]
George M. O'Brien	Republican	17th	January 3, 1973 – January 3, 1983	Died
		4th	January 3, 1983 – July 17, 1986
Thomas J. O'Brien	Democratic	6th	March 4, 1933 – January 3, 1939	[data unknown/missing]
			January 3, 1943 – April 14, 1964	Died
Frank T. O'Hair	Democratic	18th	March 4, 1913 – March 4, 1915	[data unknown/missing]
Barratt O'Hara	Democratic	2nd	January 3, 1949 – January 3, 1951	[data unknown/missing]
			January 3, 1953 – January 3, 1969	[data unknown/missing]
Thomas L. Owens	Republican	7th	January 3, 1947 – June 7, 1948	Died
George A. Paddock	Republican	10th	January 3, 1941 – January 3, 1943	[data unknown/missing]
Claude V. Parsons	Democratic	24th	November 4, 1930 – January 3, 1941	[data unknown/missing]
Lewis E. Payson	Republican	8th	March 4, 1881 – March 4, 1883	[data unknown/missing]
		9th	March 4, 1883 – March 4, 1891	[data unknown/missing]
David D. Phelps	Democratic	19th	January 3, 1999 – January 3, 2003	[data unknown/missing]
Ralph Plumb	Republican	8th	March 4, 1885 – March 4, 1889	[data unknown/missing]
Nathaniel Pope	Democratic-Republican	Territory	March 4, 1817 – November 30, 1818	[data unknown/missing]
John Edward Porter	Republican	10th	January 22, 1980 – January 3, 2001	[data unknown/missing]
Glenn Poshard	Democratic	22nd	January 3, 1989 – January 3, 1993	[data unknown/missing]
		19th	January 3, 1993 – January 3, 1999	[data unknown/missing]
Philip S. Post	Republican	10th	March 4, 1887 – January 6, 1895	Died
Melvin Price	Democratic	22nd	January 3, 1945 – January 3, 1949	[data unknown/missing]
		25th	January 3, 1949 – January 3, 1953	[data unknown/missing]
		24th	January 3, 1953 – January 3, 1973	[data unknown/missing]
		23rd	January 3, 1973 – January 3, 1983	[data unknown/missing]
		21st	January 3, 1983 – April 22, 1988	Died
George W. Prince	Republican	10th	December 2, 1895 – March 4, 1903	[data unknown/missing]
		15th	March 4, 1903 – March 4, 1913	[data unknown/missing]
Roman C. Pucinski	Democratic	11th	January 3, 1959 – January 3, 1973	[data unknown/missing]
Michael Quigley	Democratic	5th	April 7, 2009 – Present	Incumbent
Tom Railsback	Republican	19th	January 3, 1967 – January 3, 1983	[data unknown/missing]
Henry T. Rainey	Democratic	20th	March 4, 1903 – March 4, 1921	[data unknown/missing]
			March 4, 1923 – August 19, 1934	Died
John W. Rainey	Democratic	4th	April 2, 1918 – May 4, 1923	Died
Frank M. Ramey	Republican	21st	March 4, 1929 – March 4, 1931	[data unknown/missing]
Delia Ramirez	Democratic	3rd	January 3, 2023 – Present	Incumbent
Henry Riggs Rathbone	Republican	At-large	March 4, 1923 – July 15, 1928	Died
Green B. Raum	Republican	13th	March 4, 1867 – March 4, 1869	[data unknown/missing]
William H. Ray	Republican	10th	March 4, 1873 – March 4, 1875	[data unknown/missing]
Chauncey W. Reed	Republican	11th	January 3, 1935 – January 3, 1949	[data unknown/missing]
		14th	January 3, 1949 – February 9, 1956	Died
Walter Reeves	Republican	11th	March 4, 1895 – March 4, 1903	[data unknown/missing]
Charlotte T. Reid	Republican	15th	January 3, 1963 – October 7, 1971	Resigned to become member of the Federal Communications Commission
Frank R. Reid	Republican	11th	March 4, 1923 – January 3, 1935	[data unknown/missing]
Frederick Remann	Republican	18th	March 4, 1895 – July 14, 1895	Died
Alexander J. Resa	Democratic	9th	January 3, 1945 – January 3, 1947	[data unknown/missing]
John Reynolds	Jacksonian	1st	December 1, 1834 – March 4, 1837	[data unknown/missing]
	Democratic		March 4, 1839 – March 4, 1843	[data unknown/missing]
Mel Reynolds	Democratic	2nd	January 3, 1993 – October 1, 1995	Resigned
Edward Y. Rice	Democratic	10th	March 4, 1871 – March 4, 1873	[data unknown/missing]
John Blake Rice	Republican	1st	March 4, 1873 – December 17, 1874	Died
William A. Richardson	Democratic	5th	December 6, 1847 – August 25, 1856	Resigned
			March 4, 1861 – January 29, 1863	Resigned after being elected to the US Senate
James M. Riggs	Democratic	12th	March 4, 1883 – March 4, 1887	[data unknown/missing]
Hugh M. Rigney	Democratic	19th	January 3, 1937 – January 3, 1939	[data unknown/missing]
John I. Rinaker	Republican	16th	June 5, 1896 – March 4, 1897	Won contested election
Zeno J. Rives	Republican	21st	March 4, 1905 – March 4, 1907	[data unknown/missing]
James Carroll Robinson	Democratic	7th	March 4, 1859 – March 4, 1863	[data unknown/missing]
		11th	March 4, 1863 – March 4, 1865	[data unknown/missing]
		8th	March 4, 1871 – March 4, 1873	[data unknown/missing]
		12th	March 4, 1873 – March 4, 1875	[data unknown/missing]
William A. Rodenberg	Republican	21st	March 4, 1899 – March 4, 1901	[data unknown/missing]
		22nd	March 4, 1903 – March 4, 1913	[data unknown/missing]
			March 4, 1915 – March 4, 1923	[data unknown/missing]
Daniel J. Ronan	Democratic	6th	January 3, 1965 – August 13, 1969	Died
Peter Roskam	Republican	6th	January 3, 2007 – January 3, 2019	[data unknown/missing]
Lewis W. Ross	Democratic	9th	March 4, 1863 – March 4, 1869	[data unknown/missing]
Dan Rostenkowski	Democratic	8th	January 3, 1959 – January 3, 1993	[data unknown/missing]
		5th	January 3, 1993 – January 3, 1995	[data unknown/missing]
William A. Rowan	Democratic	2nd	January 3, 1943 – January 3, 1947	[data unknown/missing]
Jonathan H. Rowell	Republican	14th	March 4, 1883 – March 4, 1891	[data unknown/missing]
Donald Rumsfeld	Republican	13th	January 3, 1963 – May 25, 1969	Resigned to become Director of the Office of Economic Opportunity
Bobby Rush	Democratic	1st	January 3, 1993 – January 3, 2023	Retired.
Marty Russo	Democratic	3rd	January 3, 1975 – January 3, 1993	[data unknown/missing]
Adolph J. Sabath	Democratic	5th	March 4, 1907 – January 3, 1949	[data unknown/missing]
		7th	January 3, 1949 – November 6, 1952	Died
George E. Sangmeister	Democratic	4th	January 3, 1989 – January 3, 1993	[data unknown/missing]
		11th	January 3, 1993 – January 3, 1995	[data unknown/missing]
Gus Savage	Democratic	2nd	January 3, 1981 – January 3, 1993	[data unknown/missing]
Edwin M. Schaefer	Democratic	22nd	March 4, 1933 – January 3, 1943	[data unknown/missing]
Janice D. Schakowsky	Democratic	9th	January 3, 1999 – Present	Incumbent
Bobby Schilling	Republican	17th	January 3, 2011 – January 3, 2013	[data unknown/missing]
Gale Schisler	Democratic	19th	January 3, 1965 – January 3, 1967	[data unknown/missing]
Brad Schneider	Democratic	10th	January 3, 2013 – January 3, 2015	[data unknown/missing]
			January 3, 2017 – present	Incumbent
Aaron Schock	Republican	18th	January 3, 2009 – March 31, 2015	[data unknown/missing]
Leonard W. Schuetz	Democratic	7th	March 4, 1931 – February 13, 1944	Died
Owen Scott	Democratic	14th	March 4, 1891 – March 4, 1893	[data unknown/missing]
Thomas J. Selby	Democratic	16th	March 4, 1901 – March 4, 1903	[data unknown/missing]
Aaron Shaw	Democratic	7th	March 4, 1857 – March 4, 1859	[data unknown/missing]
		16th	March 4, 1883 – March 4, 1885	[data unknown/missing]
Guy L. Shaw	Republican	20th	March 4, 1921 – March 4, 1923	[data unknown/missing]
Timothy P. Sheehan	Republican	11th	January 3, 1951 – January 3, 1959	[data unknown/missing]
John C. Sherwin	Republican	4th	March 4, 1879 – March 4, 1883	[data unknown/missing]
John Shimkus	Republican	20th	January 3, 1997 – January 3, 2003	[data unknown/missing]
		19th	January 3, 2003 – January 3, 2013	[data unknown/missing]
		15th	January 3, 2013 – January 3, 2021	Retired
George E. Shipley	Democratic	23rd	January 3, 1959 – January 3, 1973	[data unknown/missing]
		22nd	January 3, 1973 – January 3, 1979	[data unknown/missing]
Paul Simon	Democratic	24th	January 3, 1975 – January 3, 1983	[data unknown/missing]
		22nd	January 3, 1983 – January 3, 1985	[data unknown/missing]
Edna O. Simpson	Republican	20th	January 3, 1959 – January 3, 1961	[data unknown/missing]
James Simpson Jr.	Republican	10th	March 4, 1933 – January 3, 1935	[data unknown/missing]
Sid Simpson	Republican	20th	January 3, 1943 – October 26, 1958	Died
James W. Singleton	Democratic	11th	March 4, 1879 – March 4, 1883	[data unknown/missing]
Charles Slade	Jacksonian	1st	March 4, 1833 – July 26, 1834	Died
Dietrich C. Smith	Republican	13th	March 4, 1881 – March 4, 1883	[data unknown/missing]
Frank L. Smith	Republican	17th	March 4, 1919 – March 4, 1921	[data unknown/missing]
George W. Smith	Republican	20th	March 4, 1889 – March 4, 1895	[data unknown/missing]
		22nd	March 4, 1895 – March 4, 1903	[data unknown/missing]
		25th	March 4, 1903 – November 30, 1907	Died
Robert Smith	Democratic	1st	March 4, 1843 – March 4, 1847	[data unknown/missing]
	Independent Democratic		March 4, 1847 – March 4, 1849	[data unknown/missing]
	Democratic	8th	March 4, 1857 – March 4, 1859	[data unknown/missing]
Thomas V. Smith	Democratic	At-large	January 3, 1939 – January 3, 1941	[data unknown/missing]
Henry Snapp	Republican	6th	December 4, 1871 – March 4, 1873	[data unknown/missing]
Howard M. Snapp	Republican	11th	March 4, 1903 – March 4, 1911	[data unknown/missing]
Herman W. Snow	Democratic	9th	March 4, 1891 – March 4, 1893	[data unknown/missing]
Adam W. Snyder	Democratic	1st	March 4, 1837 – March 4, 1839	[data unknown/missing]
EricSorensen Eric Sorensen (politician)	Democratic	17th	January 3, 2023 – Present	Incumbent
William A.J. Sparks	Democratic	16th	March 4, 1875 – March 4, 1883	[data unknown/missing]
William L. Springer	Republican	22nd	January 3, 1951 – January 3, 1973
William M. Springer	Democratic	12th	March 4, 1875 – March 4, 1883	[data unknown/missing]
		13th	March 4, 1883 – March 4, 1895	[data unknown/missing]
Elliott W. Sproul	Republican	3rd	March 4, 1921 – March 4, 1931	[data unknown/missing]
Edmund J. Stack	Democratic	6th	March 4, 1911 – March 4, 1913	[data unknown/missing]
Benjamin Stephenson	Democratic-Republican	Territory	November 14, 1814 – March 4, 1817	[data unknown/missing]
John A. Sterling	Republican	17th	March 4, 1903 – March 4, 1913	[data unknown/missing]
			March 4, 1915 – October 17, 1918	Died
Bradford N. Stevens	Democratic	5th	March 4, 1871 – March 4, 1873	[data unknown/missing]
Adlai E. Stevenson I	Democratic	13th	March 4, 1875 – March 4, 1877	[data unknown/missing]
			March 4, 1879 – March 4, 1881	[data unknown/missing]
Lewis Steward	Democratic	8th	March 4, 1891 – March 4, 1893	[data unknown/missing]
Bennett M. Stewart	Democratic	1st	January 3, 1979 – January 3, 1981	[data unknown/missing]
Claude U. Stone	Democratic	16th	March 4, 1911 – March 4, 1917	[data unknown/missing]
William Stratton	Republican	At-large	January 3, 1941 – January 3, 1943	[data unknown/missing]
			January 3, 1947 – January 3, 1949	[data unknown/missing]
Lawrence B. Stringer	Democratic	At-large	March 4, 1913 – March 4, 1915	[data unknown/missing]
John T. Stuart	Whig	3rd	March 4, 1839 – March 4, 1843	[data unknown/missing]
	Democratic	8th	March 4, 1863 – March 4, 1865	[data unknown/missing]
Jessie Sumner	Republican	18th	January 3, 1939 – January 3, 1947)	[data unknown/missing]
Clyde H. Tavenner	Democratic	14th	March 4, 1913 – March 4, 1917	[data unknown/missing]
Abner Taylor	Republican	1st	March 4, 1889 – March 4, 1893	[data unknown/missing]
Napoleon B. Thistlewood	Republican	25th	February 15, 1908 – March 4, 1913	[data unknown/missing]
John R. Thomas	Republican	18th	March 4, 1879 – March 4, 1883	[data unknown/missing]
		20th	March 4, 1883 – March 4, 1889	[data unknown/missing]
Chester Thompson	Democratic	14th	March 4, 1933 – January 3, 1939	[data unknown/missing]
Charles M. Thomson	Progressive	10th	March 4, 1913 – March 4, 1915	[data unknown/missing]
Anthony Thornton	Democratic	10th	March 4, 1865 – March 4, 1867	[data unknown/missing]
Thomas F. Tipton	Republican	13th	March 4, 1877 – March 4, 1879	[data unknown/missing]
Richard W. Townshend	Democratic	19th	March 4, 1877 – March 9, 1889	Died
Thomas J. Turner	Democratic	6th	March 4, 1847 – March 4, 1849	[data unknown/missing]
Robert J. Twyman	Republican	9th	January 3, 1947 – January 3, 1949	[data unknown/missing]
Lauren Underwood	Democratic	14th	January 3, 2019 – Present	Incumbent
Richard B. Vail	Republican	2nd	January 3, 1947 – January 3, 1949	[data unknown/missing]
			January 3, 1951 – January 3, 1953	[data unknown/missing]
Harold H. Velde	Republican	18th	January 3, 1949 – January 3, 1957	[data unknown/missing]
Charles W. Vursell	Republican	23rd	January 3, 1943 – January 3, 1949	[data unknown/missing]
		24th	January 3, 1949 – January 3, 1953	[data unknown/missing]
		23rd	January 3, 1953 – January 3, 1959	[data unknown/missing]
Joe Walsh	Republican	8th	January 3, 2011 – January 3, 2013	[data unknown/missing]
James H. Ward	Democratic	3rd	March 4, 1885 – March 4, 1887	[data unknown/missing]
Jasper D. Ward	Republican	2nd	March 4, 1873 – March 4, 1875	[data unknown/missing]
Vespasian Warner	Republican	13th	March 4, 1895 – March 4, 1903	[data unknown/missing]
		19th	March 4, 1903 – March 4, 1905	[data unknown/missing]
Elihu B. Washburne	Whig	1st	March 4, 1853 – March 4, 1855	[data unknown/missing]
	Republican		March 4, 1855 – March 4, 1863	[data unknown/missing]
		3rd	March 4, 1863 – March 6, 1869	Resigned to become United States Secretary of State
Harold Washington	Democratic	1st	January 3, 1981 – April 30, 1983	Resigned to become Mayor of Chicago
Jerry Weller	Republican	11th	January 3, 1995 – January 3, 2009	[data unknown/missing]
John Wentworth	Democratic	4th	March 4, 1843 – March 4, 1851	[data unknown/missing]
		2nd	March 4, 1853 – March 4, 1855	[data unknown/missing]
	Republican	1st	March 4, 1865 – March 4, 1867	[data unknown/missing]
Charles S. Wharton	Republican	4th	March 4, 1905 – March 4, 1907	[data unknown/missing]
William H. Wheat	Republican	19th	January 3, 1939 – January 16, 1944	Died
Hamilton K. Wheeler	Republican	9th	March 4, 1893 – March 4, 1895	[data unknown/missing]
Loren E. Wheeler	Republican	21st	March 4, 1915 – March 4, 1923	[data unknown/missing]
			March 4, 1925 – March 4, 1927	[data unknown/missing]
George E. White	Republican	5th	March 4, 1895 – March 4, 1899	[data unknown/missing]
Richard H. Whiting	Republican	9th	March 4, 1875 – March 4, 1877	[data unknown/missing]
Scott Wike	Democratic	11th	March 4, 1875 – March 4, 1877	[data unknown/missing]
		12th	March 4, 1889 – March 4, 1893	[data unknown/missing]
James R. Williams	Democratic	19th	December 2, 1889 – March 4, 1895	[data unknown/missing]
		20th	March 4, 1899 – March 4, 1903	[data unknown/missing]
		24th	March 4, 1903 – March 4, 1905	[data unknown/missing]
Thomas Sutler Williams	Republican	24th	March 4, 1915 – November 11, 1929	Resigned to become a judge to the United States Court of Claims
William E. Williams	Democratic	16th	March 4, 1899 – March 4, 1901	[data unknown/missing]
		At-large	March 4, 1913 – March 4, 1917	[data unknown/missing]
William Warfield Wilson	Republican	3rd	March 4, 1903 – March 4, 1913	[data unknown/missing]
			March 4, 1915 – March 4, 1921	[data unknown/missing]
Benson Wood	Republican	19th	March 4, 1895 – March 4, 1897	[data unknown/missing]
Charles W. Woodman	Republican	4th	March 4, 1895 – March 4, 1897	[data unknown/missing]
James H. Woodworth	Republican	2nd	March 4, 1855 – March 4, 1857	[data unknown/missing]
Nicholas E. Worthington	Democratic	10th	March 4, 1883 – March 4, 1887	[data unknown/missing]
Richard Yates	Whig	7th	March 4, 1851 – March 4, 1853	[data unknown/missing]
		6th	March 4, 1853 – March 4, 1855	[data unknown/missing]
Richard Yates Jr.	Republican	At-large	March 4, 1919 – March 4, 1933	[data unknown/missing]
Sidney R. Yates	Democratic	9th	January 3, 1949 – January 3, 1963	[data unknown/missing]
			January 3, 1965 – January 3, 1999	[data unknown/missing]
Samuel H. Young	Republican	10th	January 3, 1973 – January 3, 1975	[data unknown/missing]
Timothy R. Young	Democratic	3rd	March 4, 1849 – March 4, 1851	[data unknown/missing]

See also

•  United States portal
•  Illinois portal
•  Politics portal

• List of United States senators from Illinois
• United States congressional delegations from Illinois
• Illinois's congressional districts

References