Wikipedia

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

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List of members and delegates

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Member / Delegate Party District Years Electoral history
J. Leroy Adair Democratic 15th March 4, 1933 – January 3, 1937 [data missing]
George E. Adams Republican 4th March 4, 1883 – March 4, 1891 [data missing]
Charles Adkins Republican 19th March 4, 1925 – March 4, 1933 [data missing]
J. Frank Aldrich Republican 1st March 4, 1893 – March 4, 1897 [data missing]
William Aldrich Republican 1st March 4, 1877 – March 4, 1883 [data 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 missing]
John Clayton Allen Republican 14th March 4, 1925 – March 4, 1933 [data missing]
Leo E. Allen Republican 13th March 4, 1933 – January 3, 1949 [data missing]
16th January 3, 1949 – January 3, 1961 [data missing]
William J. Allen Democratic 9th June 2, 1862 – March 4, 1863 [data missing]
13th March 4, 1863 – March 4, 1865 [data missing]
Willis Allen Democratic 2nd March 4, 1851 – March 4, 1853 [data missing]
9th March 4, 1853 – March 4, 1855 [data missing]
George A. Anderson Democratic 12th March 4, 1887 – March 4, 1889 [data missing]
John B. Anderson Republican 16th January 3, 1961 – January 3, 1981 [data missing]
William B. Anderson Independent 19th March 4, 1875 – March 4, 1877 [data missing]
Frank Annunzio Democratic 7th January 3, 1965 – January 3, 1973 [data missing]
11th January 3, 1973 – January 3, 1993 [data missing]
Leslie C. Arends Republican 17th January 3, 1935 – January 3, 1973 [data missing]
15th January 3, 1973 – December 31, 1974 Resigned
Isaac N. Arnold Republican 2nd March 4, 1861 – March 4, 1863 [data missing]
1st March 4, 1863 – March 4, 1865 [data missing]
Laurence F. Arnold Democratic 23rd January 3, 1937 – January 3, 1943 [data 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 missing]
Edward Dickinson 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 missing]
Jehu Baker Republican 12th March 4, 1865 – March 4, 1869 [data missing]
18th March 4, 1887 – March 4, 1889 [data missing]
Democratic 21st March 4, 1897 – March 4, 1899 [data missing]
William N. Baltz Democratic 22nd March 4, 1913 – March 4, 1915 [data missing]
Hiram Barber Jr. Republican 3rd March 4, 1879 – March 4, 1881 [data missing]
James M. Barnes Democratic 20th January 3, 1939 – January 3, 1943 [data missing]
Granville Barrere Republican 9th March 4, 1873 – March 4, 1875 [data 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 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 missing]
C. W. Bishop Republican 25th January 3, 1941 – January 3, 1949 [data missing]
26th January 3, 1949 – January 3, 1953 [data missing]
25th January 3, 1953 – January 3, 1955 [data missing]
William H. Bissell Democratic 1st March 4, 1849 – March 4, 1853 [data missing]
Independent Democratic 8th March 4, 1853 – March 4, 1855 [data 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 missing]
Shadrach Bond Democratic-Republican Territory December 3, 1812 – August 2, 1813 [data missing]
Charles M. Borchers Democratic 19th March 4, 1913 – March 4, 1915 [data missing]
Mike Bost Republican 12th January 3, 2015 – present Incumbent
Henry S. Boutell Republican 6th November 23, 1897 – March 4, 1903 [data missing]
9th March 4, 1903 – March 4, 1911 [data 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 missing]
Lewis L. Boyer Democratic 15th January 3, 1937 – January 3, 1939 [data 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 missing]
Lorenzo Brentano Republican 3rd March 4, 1877 – March 4, 1879 [data missing]
Frederick A. Britten Republican 9th March 4, 1913 – January 3, 1935 [data missing]
Henry P.H. Bromwell Republican 7th March 4, 1865 – March 4, 1869 [data missing]
Edwin B. Brooks Republican 23rd March 4, 1919 – March 4, 1923 [data missing]
Terry L. Bruce Democratic 19th January 3, 1985 – January 3, 1993 [data missing]
Frank Buchanan Democratic 7th March 4, 1911 – March 4, 1917 [data 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 missing]
James V. Buckley Democratic 4th January 3, 1949 – January 3, 1951 [data missing]
Nikki Budzinski Democratic 13th January 3, 2023 – present Incumbent
Horatio C. Burchard Republican 3rd December 6, 1869 – March 4, 1873 [data missing]
5th March 4, 1873 – March 4, 1879 [data missing]
Albert G. Burr Democratic 10th March 4, 1867 – March 4, 1871 [data missing]
Orlando Burrell Republican 20th March 4, 1895 – March 4, 1897 [data missing]
Fred E. Busbey Republican 3rd January 3, 1943 – January 3, 1945 [data missing]
Samuel T. Busey Democratic 15th March 4, 1891 – March 4, 1893 [data missing]
Cheri Bustos Democratic 17th January 3, 2013 – January 3, 2023 Retired.
Emmet F. Byrne Republican 3rd January 3, 1957 – January 3, 1959 [data missing]
Benjamin T. Cable Democratic 11th March 4, 1891 – March 4, 1893 [data missing]
Ben F. Caldwell Democratic 17th March 4, 1899 – March 4, 1903 [data missing]
21st March 4, 1903 – March 4, 1905 [data missing]
March 4, 1907 – March 4, 1909 [data missing]
Alexander Campbell Independent 7th March 4, 1875 – March 4, 1877 [data missing]
James R. Campbell Democratic 20th March 4, 1897 – March 4, 1899 [data missing]
Thompson Campbell Democratic 6th March 4, 1851 – March 4, 1853 [data missing]
Joseph G. Cannon Republican 14th March 4, 1873 – March 4, 1883 [data missing]
15th March 4, 1883 – March 4, 1891
March 4, 1893 – March 4, 1895 [data missing]
12th March 4, 1895 – March 4, 1903
18th March 4, 1903 – March 4, 1913
March 4, 1915 – March 4, 1923 [data missing]
Cliffard D. Carlson Republican 15th April 4, 1972 – January 3, 1973 [data missing]
Zadok Casey Jacksonian 2nd March 4, 1833 – March 4, 1837 [data missing]
Democratic March 4, 1837 – March 4, 1841 [data missing]
Independent Democratic March 4, 1841 – March 4, 1843 [data missing]
Sean Casten Democratic 6th January 3, 2019 – present Incumbent
Bernard G. Caulfield Democratic 1st February 1, 1875 – March 4, 1877 [data missing]
Edwin V. Champion Democratic At-large January 3, 1937 – January 3, 1939 [data missing]
Pleasant T. Chapman Republican 24th March 4, 1905 – March 4, 1911 [data missing]
Chester A. Chesney Democratic 11th January 3, 1949 – January 3, 1951 [data missing]
Robert A. Childs Republican 8th March 4, 1893 – March 4, 1895 [data missing]
Carl R. Chindblom Republican 10th March 4, 1919 – March 4, 1933 [data missing]
Burnett M. Chiperfield Republican At-large March 4, 1915 – March 4, 1917 [data missing]
15th November 4, 1930 – March 4, 1933 [data missing]
Robert B. Chiperfield Republican 15th January 3, 1939 – January 3, 1949 [data missing]
19th January 3, 1949 – January 3, 1963 [data missing]
Marguerite S. Church Republican 13th January 3, 1951 – January 3, 1963 [data missing]
Ralph E. Church Republican 10th January 3, 1935 – January 3, 1941 [data missing]
January 3, 1943 – January 3, 1949 [data missing]
13th January 3, 1949 – March 21, 1950 Died
Isaac Clements Republican 18th March 4, 1873 – March 4, 1875 [data missing]
Roy Clippinger Republican 24th November 6, 1945 – January 3, 1949 [data missing]
Harold R. Collier Republican 10th January 3, 1957 – January 3, 1973 [data missing]
6th January 3, 1973 – January 3, 1975 [data missing]
Cardiss Collins Democratic 7th June 5, 1973 – January 3, 1997 [data 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 missing]
Burton C. Cook Republican 6th March 4, 1865 – August 26, 1871 Resigned
Daniel Pope Cook Democratic-Republican At-large March 4, 1819 – March 4, 1825 [data 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 missing]
Progressive March 4, 1915 – March 4, 1917 [data missing]
Republican March 4, 1917 – March 4, 1923 [data missing]
Tom Corcoran Republican 15th January 3, 1977 – January 3, 1983 [data 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 missing]
Jerry F. Costello Democratic 21st August 9, 1988 – January 3, 1993 [data missing]
12th January 3, 1993 – January 3, 2013 [data missing]
John W. Cox Jr. Democratic 16th January 3, 1991 – January 3, 1993 [data missing]
Dan Crane Republican 22nd January 3, 1979 – January 3, 1983 [data missing]
19th January 3, 1983 – January 3, 1985 [data missing]
Philip M. Crane Republican 13th November 25, 1969 – January 3, 1973 [data missing]
12th January 3, 1973 – January 3, 1993 [data missing]
8th January 3, 1993 – January 3, 2005 [data missing]
John M. Crebs Democratic 13th March 4, 1869 – March 4, 1873 [data missing]
Joseph B. Crowley Democratic 19th March 4, 1899 – March 4, 1903 [data missing]
23rd March 4, 1903 – March 4, 1905 [data missing]
William Cullen Republican 7th March 4, 1881 – March 4, 1883 [data missing]
8th March 4, 1883 – March 4, 1885 [data missing]
Shelby M. Cullom Republican 8th March 4, 1865 – March 4, 1871 [data missing]
Thomas Cusack Democratic 4th March 4, 1899 – March 4, 1901 [data missing]
Danny K. Davis Democratic 7th January 3, 1997 – present Incumbent
George R. Davis Republican 2nd March 4, 1879 – March 4, 1883 [data missing]
3rd March 4, 1883 – March 4, 1885 [data missing]
Jack Davis Republican 4th January 3, 1987 – January 3, 1989 [data missing]
Jacob C. Davis Democratic 5th November 4, 1856 – March 4, 1857 [data 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 missing]
Oscar De Priest Republican 1st March 4, 1929 – January 3, 1935 [data missing]
Edward E. Denison Republican 25th March 4, 1915 – March 4, 1931 [data missing]
Edward J. Derwinski Republican 4th January 3, 1959 – January 3, 1983 [data missing]
Charles S. Dewey Republican 9th January 3, 1941 – January 3, 1945 [data missing]
Frank S. Dickson Republican 23rd March 4, 1905 – March 4, 1907 [data missing]
William H. Dieterich Democratic At-large March 4, 1931 – March 4, 1933 [data missing]
Everett M. Dirksen Republican 16th March 4, 1933 – January 3, 1949 [data missing]
Donald C. Dobbins Democratic 19th March 4, 1933 – January 3, 1937 [data missing]
Robert Dold Republican 10th January 3, 2011 – January 3, 2013 [data missing]
January 3, 2015 – January 3, 2017 [data missing]
Emily Taft Douglas Democratic At-large January 3, 1945 – January 3, 1947 [data 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 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 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 missing]
Richard J. Durbin Democratic 20th January 3, 1983 – January 3, 1997 [data missing]
Allan C. Durborow Jr. Democratic 3rd March 4, 1891 – March 4, 1895 [data missing]
John R. Eden Democratic 7th March 4, 1863 – March 4, 1865 [data missing]
15th March 4, 1873 – March 4, 1879 [data missing]
17th March 4, 1885 – March 4, 1887 [data 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 missing]
William Enyart Democratic 12th January 3, 2013 – January 3, 2015 [data missing]
John N. Erlenborn Republican 14th January 3, 1965 – January 3, 1983 [data missing]
13th January 3, 1983 – January 3, 1985 [data missing]
Lane Evans Democratic 17th January 3, 1983 – January 3, 2007 [data missing]
Lynden Evans Democratic 9th March 4, 1911 – March 4, 1913 [data missing]
Thomas W. Ewing Republican 15th July 2, 1991 – January 3, 2001 [data missing]
John F. Farnsworth Republican 2nd March 4, 1857 – March 4, 1861 [data missing]
March 4, 1863 – March 4, 1873 [data missing]
Charles B. Farwell Republican 1st March 4, 1871 – March 4, 1873 [data missing]
3rd March 4, 1873 – May 6, 1876 Lost contested election
March 4, 1881 – March 4, 1883 [data missing]
John G. Fary Democratic 5th July 8, 1975 – January 3, 1983 [data missing]
Harris W. Fawell Republican 13th January 3, 1985 – January 3, 1999 [data missing]
John J. Feely Democratic 2nd March 4, 1901 – March 4, 1903 [data missing]
Orlando B. Ficklin Democratic 3rd March 4, 1843 – March 4, 1849 [data missing]
March 4, 1851 – March 4, 1853 [data missing]
Paul Findley Republican 20th January 3, 1961 – January 3, 1983 [data missing]
John F. Finerty Independent Democratic 2nd March 4, 1883 – March 4, 1885 [data missing]
Edward R. Finnegan Democratic 12th January 3, 1961 – January 3, 1963 [data missing]
9th January 3, 1963 – December 6, 1964 Resigned to become Judge of the Circuit Court of Cook County, Illinois
George W. Fithian Democratic 16th March 4, 1889 – March 4, 1895 [data missing]
Louis Fitzhenry Democratic 17th March 4, 1913 – March 4, 1915 [data missing]
Michael Patrick Flanagan Republican 5th January 3, 1995 – January 3, 1997 [data missing]
William St. John Forman Democratic 18th March 4, 1889 – March 4, 1895 [data missing]
Albert P. Forsythe Greenback 15th March 4, 1879 – March 4, 1881 [data missing]
Greenbury L. Fort Republican 8th March 4, 1873 – March 4, 1881 [data missing]
George E. Foss Republican 7th March 4, 1895 – March 4, 1903 [data missing]
10th March 4, 1903 – March 4, 1913 [data missing]
March 4, 1915 – March 4, 1919 [data missing]
Bill Foster Democratic 14th March 8, 2008 – January 3, 2011 [data missing]
11th January 3, 2013 – present Incumbent
George Peter Foster Democratic 3rd March 4, 1899 – March 4, 1903 [data missing]
4th March 4, 1903 – March 4, 1905 [data missing]
Martin D. Foster Democratic 23rd March 4, 1907 – March 4, 1919 [data missing]
Philip B. Fouke Democratic 8th March 4, 1859 – March 4, 1863 [data missing]
H. Robert Fowler Democratic 24th March 4, 1911 – March 4, 1915 [data missing]
Frank W. Fries Democratic 21st January 3, 1937 – January 3, 1941 [data missing]
Charles Eugene Fuller Republican 12th March 4, 1903 – March 4, 1913 [data missing]
March 4, 1915 – June 25, 1926 Died
Benjamin F. Funk Republican 14th March 4, 1893 – March 4, 1895 [data missing]
Frank H. Funk Republican 17th March 4, 1921 – March 4, 1927 [data missing]
Thomas Gallagher Democratic 8th March 4, 1909 – March 4, 1921 [data missing]
Jesús "Chuy" García Democratic 4th January 3, 2019 – present Incumbent


William H. Gest Republican 11th March 4, 1887 – March 4, 1891 [data missing]
Frank Gillespie Democratic 17th March 4, 1933 – January 3, 1935 [data missing]
Julius Goldzier Democratic 4th March 4, 1893 – March 4, 1895 [data missing]
Thomas S. Gordon Democratic 8th January 3, 1943 – January 3, 1959 [data missing]
George E. Gorman Democratic 3rd March 4, 1913 – March 4, 1915 [data missing]
John J. Gorman Republican 6th March 4, 1921 – March 4, 1923 [data missing]
March 4, 1925 – March 4, 1927 [data 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 missing]
16th March 4, 1903 – March 4, 1911
James M. Graham Democratic 21st March 4, 1909 – March 4, 1915 [data 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 missing]
21st January 3, 1963 – January 3, 1973 [data missing]
24th January 3, 1973 – December 31, 1974 Resigned
22nd January 3, 1985 – January 3, 1989 [data 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 missing]
William F.L. Hadley Republican 18th December 2, 1895 – March 4, 1897 [data missing]
Homer W. Hall Republican 17th March 4, 1927 – March 4, 1933 [data missing]
Tim Lee Hall Democratic 15th January 3, 1975 – January 3, 1977 [data missing]
Debbie Halvorson Democratic 11th January 3, 2009 – January 3, 2011 [data missing]
Robert P. Hanrahan Republican 3rd January 3, 1973 – January 3, 1975 [data missing]
John J. Hardin Whig 7th March 4, 1843 – March 4, 1845 [data missing]
Abner C. Harding Republican 4th March 4, 1865 – March 4, 1869 [data missing]
Philip Hare Democratic 17th January 3, 2007 – January 3, 2011 [data missing]
Charles M. Harris Democratic 4th March 4, 1863 – March 4, 1865 [data missing]
Thomas L. Harris Democratic 7th March 4, 1849 – March 4, 1851 [data missing]
6th March 4, 1855 – November 24, 1858 Died
Carter Harrison Sr. Democratic 2nd March 4, 1875 – March 4, 1879 [data missing]
William Hartzell Democratic 18th March 4, 1875 – March 4, 1879 [data 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 missing]
6th March 4, 1873 – March 4, 1875 [data missing]
John B. Hay Republican 12th March 4, 1869 – March 4, 1873 [data missing]
Charles Hayes Democratic 1st August 23, 1983 – January 3, 1993 [data missing]
Philip C. Hayes Republican 7th March 4, 1877 – March 4, 1881 [data 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 missing]
7th March 4, 1883 – March 4, 1895 [data missing]
John Henry Whig 7th February 5, 1847 – March 4, 1847 [data missing]
Charles A. Hill Republican 8th March 4, 1889 – March 4, 1891 [data missing]
Robert P. Hill Democratic 25th March 4, 1913 – March 4, 1915 [data missing]
William H. Hinebaugh Progressive 12th March 4, 1913 – March 4, 1915 [data missing]
William H. Hinrichsen Democratic 16th March 4, 1897 – March 4, 1899 [data 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 missing]
Elmer J. Hoffman Republican 14th January 3, 1959 – January 3, 1965 [data missing]
Richard W. Hoffman Republican 10th January 3, 1949 – January 3, 1957 [data missing]
Joseph P. Hoge Democratic 6th March 4, 1843 – March 4, 1847 [data missing]
William P. Holaday Republican 18th March 4, 1923 – March 4, 1933 [data missing]
Albert J. Hopkins Republican 5th December 7, 1885 – March 4, 1895 [data missing]
8th March 4, 1895 – March 4, 1903 [data 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 missing]
Winnifred Huck Republican At-large November 7, 1922 – March 4, 1923 [data missing]
Morton D. Hull Republican 2nd April 23, 1923 – March 4, 1933 [data missing]
William E. Hull Republican 16th March 4, 1923 – March 4, 1933 [data missing]
Randy Hultgren Republican 14th January 3, 2011 – January 3, 2019 [data missing]
Andrew J. Hunter Democratic At-large March 4, 1893 – March 4, 1895 [data missing]
19th March 4, 1897 – March 4, 1899 [data missing]
Stephen A. Hurlbut Republican 4th March 4, 1873 – March 4, 1877 [data missing]
Henry J. Hyde Republican 6th January 3, 1975 – January 3, 2007 [data missing]
James T. Igoe Democratic 6th March 4, 1927 – March 4, 1933 [data 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 missing]
Clifford C. Ireland Republican 16th March 4, 1917 – March 4, 1923 [data missing]
Edward M. Irwin Republican 22nd March 4, 1925 – March 4, 1931 [data 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 missing]
23rd January 3, 1949 – January 3, 1953 [data missing]
Thomas M. Jett Democratic 18th March 4, 1897 – March 4, 1903 [data missing]
Anton J. Johnson Republican 14th January 3, 1939 – January 3, 1949 [data missing]
Calvin D. Johnson Republican 22nd January 3, 1943 – January 3, 1945 [data missing]
Tim Johnson Republican 15th January 3, 2001 – January 3, 2013 [data missing]
William Richard Johnson Republican 13th March 4, 1925 – March 4, 1933 [data missing]
Edgar A. Jonas Republican 12th January 3, 1949 – January 3, 1955 [data missing]
Norman B. Judd Republican 1st March 4, 1867 – March 4, 1871 [data missing]
Niels Juul Republican 7th March 4, 1917 – March 4, 1921 [data 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 missing]
William Kellogg Republican 4th March 4, 1857 – March 4, 1863 [data missing]
Edward A. Kelly Democratic 3rd March 4, 1931 – January 3, 1943 [data missing]
January 3, 1945 – January 3, 1947 [data missing]
Robin Kelly Democratic 2nd April 9, 2013 – present Incumbent
Fred J. Kern Democratic 21st March 4, 1901 – March 4, 1903 [data missing]
Edward John King Republican 15th March 4, 1915 – February 17, 1929 Died
Adam Kinzinger Republican 11th January 3, 2011 – January 3, 2013 [data 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 missing]
10th March 4, 1863 – March 4, 1865 [data missing]
Robert M. Knapp Democratic 11th March 4, 1873 – March 4, 1875 [data missing]
March 4, 1877 – March 4, 1879 [data missing]
Philip Knopf Republican 7th March 4, 1903 – March 4, 1909 [data missing]
James Knox Whig 4th March 4, 1853 – March 4, 1855 [data missing]
Opposition March 4, 1855 – March 4, 1857 [data missing]
Leo Kocialkowski Democratic 8th March 4, 1933 – January 3, 1943 [data missing]
Raja Krishnamoorthi Democratic 8th January 3, 2017 – present Incumbent
Stanley H. Kunz Democratic 8th March 4, 1921 – March 4, 1931 [data missing]
April 5, 1932 – March 4, 1933 Won contested election
Andrew J. Kuykendall Republican 13th March 4, 1865 – March 4, 1867 [data 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 missing]
Silas Z. Landes Democratic 16th March 4, 1885 – March 4, 1889 [data missing]
Edward Lane Democratic 17th March 4, 1887 – March 4, 1895 [data missing]
William Lathrop Republican 4th March 4, 1877 – March 4, 1879 [data missing]
Frank Lawler Democratic 2nd March 4, 1885 – March 4, 1891 [data 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 missing]
Roland V. Libonati Democratic 7th December 31, 1957 – January 3, 1965 [data 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 missing]
William W. Link Democratic 7th January 3, 1945 – January 3, 1947 [data missing]
Bill Lipinski Democratic 5th January 3, 1983 – January 3, 1993 [data missing]
3rd January 3, 1993 – January 3, 2005 [data 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 missing]
William Lorimer Republican 2nd March 4, 1895 – March 4, 1901 [data 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 missing]
5th March 4, 1863 – March 25, 1864 Died
Frank O. Lowden Republican 13th November 6, 1906 – March 4, 1911 [data missing]
Scott W. Lucas Democratic 20th January 3, 1935 – January 3, 1939 [data missing]
Frederick Lundin Republican 7th March 4, 1909 – March 4, 1911 [data 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 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 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 missing]
8th March 4, 1903 – December 27, 1904 Died
J. Earl Major Democratic 21st March 4, 1923 – March 4, 1925 [data missing]
March 4, 1927 – March 4, 1929 [data 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 missing]
2nd March 4, 1903 – November 30, 1922 Died
Donald A. Manzullo Republican 16th January 3, 1993 – January 3, 2013 [data missing]
Benjamin F. Marsh Republican 10th March 4, 1877 – March 4, 1883 [data missing]
11th March 4, 1893 – March 4, 1895 [data missing]
15th March 4, 1895 – March 4, 1901 [data missing]
14th March 4, 1903 – June 2, 1905 Died
Samuel S. Marshall Democratic 9th March 4, 1855 – March 4, 1859 [data missing]
11th March 4, 1865 – March 4, 1873 [data missing]
19th March 4, 1873 – March 4, 1875 [data missing]
Charles Martin Democratic 4th March 4, 1917 – October 28, 1917 Died
James Stewart Martin Republican 16th March 4, 1873 – March 4, 1875 [data missing]
John C. Martin Democratic At-large January 3, 1939 – January 3, 1941 [data missing]
Lynn Morley Martin Republican 16th January 3, 1981 – January 3, 1991 [data missing]
Harry H. Mason Democratic 21st January 3, 1935 – January 3, 1937 [data missing]
Noah M. Mason Republican 12th January 3, 1937 – January 3, 1949 [data missing]
15th January 3, 1949 – January 3, 1963 [data missing]
William E. Mason Republican 3rd March 4, 1887 – March 4, 1891 [data missing]
At-large March 4, 1917 – June 16, 1921 Died
William L. May Democratic 3rd December 1, 1834 – March 4, 1837 [data missing]
March 4, 1837 – March 4, 1839 [data missing]
James McAndrews Democratic 4th March 4, 1901 – March 4, 1903 [data missing]
5th March 4, 1903 – March 4, 1905 [data missing]
6th March 4, 1913 – March 4, 1921 [data missing]
9th January 3, 1935 – January 3, 1941 [data missing]
John A. McClernand Democratic 2nd March 4, 1843 – March 4, 1851 [data 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 missing]
13th January 3, 1973 – January 3, 1983 [data missing]
Joseph M. McCormick Republican At-large March 4, 1917 – March 4, 1919 [data missing]
Ruth H. McCormick Republican At-large March 4, 1929 – March 4, 1931 [data missing]
John J. McDannold Democratic 12th March 4, 1893 – March 4, 1895 [data 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 missing]
3rd March 4, 1895 – December 27, 1895 Lost contested election
Charles McGavin Republican 8th March 4, 1905 – March 4, 1909 [data missing]
John C. McKenzie Republican 13th March 4, 1911 – March 4, 1925 [data missing]
Raymond S. McKeough Democratic 2nd January 3, 1935 – January 3, 1943 [data missing]
William B. McKinley Republican 19th March 4, 1905 – March 4, 1913 [data missing]
March 4, 1915 – March 4, 1921 [data missing]
James McKinney Republican 14th November 7, 1905 – March 4, 1913 [data missing]
John McLean Democratic-Republican At-large December 3, 1818 – March 4, 1819 [data missing]
Robert T. McLoskey Republican 19th January 3, 1963 – January 3, 1965 [data missing]
Rolla C. McMillen Republican 19th June 13, 1944 – January 3, 1949 [data missing]
22nd January 3, 1949 – January 3, 1951 [data missing]
Thompson W. McNeely Democratic 9th March 4, 1869 – March 4, 1873 [data missing]
John McNulta Republican 13th March 4, 1873 – March 4, 1875 [data 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 missing]
Ralph Metcalfe Democratic 1st January 3, 1971 – October 10, 1978 Died
M. Alfred Michaelson Republican 7th March 4, 1921 – March 4, 1931 [data missing]
Anthony Michalek Republican 5th March 4, 1905 – March 4, 1907 [data missing]
Robert H. Michel Republican 18th January 3, 1957 – January 3, 1995 [data missing]
J. Ross Mickey Democratic 15th March 4, 1901 – March 4, 1903 [data missing]
Abner J. Mikva Democratic 2nd January 3, 1969 – January 3, 1973 [data 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 missing]
Mary Miller Republican 15th January 3, 2021 – present Incumbent
Daniel W. Mills Republican 4th March 4, 1897 – March 4, 1899 [data missing]
Arthur W. Mitchell Democratic 1st January 3, 1935 – January 3, 1943 [data missing]
Richard S. Molony Democratic 4th March 4, 1851 – March 4, 1853 [data missing]
Allen F. Moore Republican 19th March 4, 1921 – March 4, 1925 [data missing]
Jesse Hale Moore Republican 7th March 4, 1869 – March 4, 1873 [data missing]
Isaac N. Morris Democratic 5th March 4, 1857 – March 4, 1861 [data missing]
James L. D. Morrison Democratic 8th November 4, 1856 – March 4, 1857 [data missing]
William Ralls Morrison Democratic 12th March 4, 1863 – March 4, 1865 [data missing]
17th March 4, 1873 – March 4, 1883 [data missing]
18th March 4, 1883 – March 4, 1887
Samuel W. Moulton Republican At-large March 4, 1865 – March 4, 1867 [data missing]
Democratic 15th March 4, 1881 – March 4, 1883 [data missing]
17th March 4, 1883 – March 4, 1885
William J. Moxley Republican 6th November 23, 1909 – March 4, 1911 [data missing]
P. H. Moynihan Republican 2nd March 4, 1933 – January 3, 1935 [data missing]
Everett J. Murphy Republican 21st March 4, 1895 – March 4, 1897 [data missing]
Morgan F. Murphy Democratic 3rd January 3, 1971 – January 3, 1973 [data missing]
2nd January 3, 1973 – January 3, 1981 [data missing]
William T. Murphy Democratic 3rd January 3, 1959 – January 3, 1971 [data missing]
James C. Murray Democratic 3rd January 3, 1955 – January 3, 1957 [data missing]
William H. Neece Democratic 11th March 4, 1883 – March 4, 1887 [data missing]
Walter Nesbit Democratic At-large March 4, 1933 – January 3, 1935 [data missing]
Walter C. Newberry Democratic 4th March 4, 1891 – March 4, 1893 [data 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 missing]
Jesse O. Norton Whig 3rd March 4, 1853 – March 4, 1855 [data missing]
Opposition March 4, 1855 – March 4, 1857
Republican 6th March 4, 1863 – March 4, 1865 [data 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 missing]
January 3, 1943 – April 14, 1964 Died
Frank T. O'Hair Democratic 18th March 4, 1913 – March 4, 1915 [data missing]
Barratt O'Hara Democratic 2nd January 3, 1949 – January 3, 1951 [data missing]
January 3, 1953 – January 3, 1969 [data 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 missing]
Claude V. Parsons Democratic 24th November 4, 1930 – January 3, 1941 [data missing]
Lewis E. Payson Republican 8th March 4, 1881 – March 4, 1883 [data missing]
9th March 4, 1883 – March 4, 1891 [data missing]
David D. Phelps Democratic 19th January 3, 1999 – January 3, 2003 [data missing]
Ralph Plumb Republican 8th March 4, 1885 – March 4, 1889 [data missing]
Nathaniel Pope Democratic-Republican Territory March 4, 1817 – November 30, 1818 [data missing]
John Edward Porter Republican 10th January 22, 1980 – January 3, 2001 [data missing]
Glenn Poshard Democratic 22nd January 3, 1989 – January 3, 1993 [data missing]
19th January 3, 1993 – January 3, 1999 [data missing]
Philip S. Post Republican 10th March 4, 1887 – January 6, 1895 Died
Melvin Price Democratic 22nd January 3, 1945 – January 3, 1949 [data missing]
25th January 3, 1949 – January 3, 1953 [data missing]
24th January 3, 1953 – January 3, 1973 [data missing]
23rd January 3, 1973 – January 3, 1983 [data missing]
21st January 3, 1983 – April 22, 1988 Died
George W. Prince Republican 10th December 2, 1895 – March 4, 1903 [data missing]
15th March 4, 1903 – March 4, 1913 [data missing]
Roman C. Pucinski Democratic 11th January 3, 1959 – January 3, 1973 [data missing]
Michael Quigley Democratic 5th April 7, 2009 – present Incumbent
Tom Railsback Republican 19th January 3, 1967 – January 3, 1983 [data missing]
Henry T. Rainey Democratic 20th March 4, 1903 – March 4, 1921 [data 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 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 missing]
William H. Ray Republican 10th March 4, 1873 – March 4, 1875 [data missing]
Chauncey W. Reed Republican 11th January 3, 1935 – January 3, 1949 [data missing]
14th January 3, 1949 – February 9, 1956 Died
Walter Reeves Republican 11th March 4, 1895 – March 4, 1903 [data 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 missing]
Frederick Remann Republican 18th March 4, 1895 – July 14, 1895 Died
Alexander J. Resa Democratic 9th January 3, 1945 – January 3, 1947 [data missing]
John Reynolds Jacksonian 1st December 1, 1834 – March 4, 1837 [data missing]
Democratic March 4, 1839 – March 4, 1843 [data missing]
Mel Reynolds Democratic 2nd January 3, 1993 – October 1, 1995 Resigned
Edward Y. Rice Democratic 10th March 4, 1871 – March 4, 1873 [data 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 missing]
Hugh M. Rigney Democratic 19th January 3, 1937 – January 3, 1939 [data 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 missing]
James Carroll Robinson Democratic 7th March 4, 1859 – March 4, 1863 [data missing]
11th March 4, 1863 – March 4, 1865 [data missing]
8th March 4, 1871 – March 4, 1873 [data missing]
12th March 4, 1873 – March 4, 1875 [data missing]
William A. Rodenberg Republican 21st March 4, 1899 – March 4, 1901 [data missing]
22nd March 4, 1903 – March 4, 1913 [data missing]
March 4, 1915 – March 4, 1923 [data missing]
Daniel J. Ronan Democratic 6th January 3, 1965 – August 13, 1969 Died
Peter Roskam Republican 6th January 3, 2007 – January 3, 2019 [data missing]
Lewis Winans Ross Democratic 9th March 4, 1863 – March 4, 1869 [data missing]
Dan Rostenkowski Democratic 8th January 3, 1959 – January 3, 1993 [data missing]
5th January 3, 1993 – January 3, 1995 [data missing]
William A. Rowan Democratic 2nd January 3, 1943 – January 3, 1947 [data missing]
Jonathan H. Rowell Republican 14th March 4, 1883 – March 4, 1891 [data 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 missing]
Adolph J. Sabath Democratic 5th March 4, 1907 – January 3, 1949 [data missing]
7th January 3, 1949 – November 6, 1952 Died
George E. Sangmeister Democratic 4th January 3, 1989 – January 3, 1993 [data missing]
11th January 3, 1993 – January 3, 1995 [data missing]
Gus Savage Democratic 2nd January 3, 1981 – January 3, 1993 [data missing]
Edwin M. Schaefer Democratic 22nd March 4, 1933 – January 3, 1943 [data missing]
Janice D. Schakowsky Democratic 9th January 3, 1999 – present Incumbent
Bobby Schilling Republican 17th January 3, 2011 – January 3, 2013 [data missing]
Gale Schisler Democratic 19th January 3, 1965 – January 3, 1967 [data missing]
Brad Schneider Democratic 10th January 3, 2013 – January 3, 2015 [data missing]
January 3, 2017 – present Incumbent
Aaron Schock Republican 18th January 3, 2009 – March 31, 2015 [data missing]
Leonard W. Schuetz Democratic 7th March 4, 1931 – February 13, 1944 Died
Owen Scott Democratic 14th March 4, 1891 – March 4, 1893 [data missing]
Thomas J. Selby Democratic 16th March 4, 1901 – March 4, 1903 [data missing]
Aaron Shaw Democratic 7th March 4, 1857 – March 4, 1859 [data missing]
16th March 4, 1883 – March 4, 1885 [data missing]
Guy L. Shaw Republican 20th March 4, 1921 – March 4, 1923 [data missing]
Timothy P. Sheehan Republican 11th January 3, 1951 – January 3, 1959 [data missing]
John C. Sherwin Republican 4th March 4, 1879 – March 4, 1883 [data missing]
John Shimkus Republican 20th January 3, 1997 – January 3, 2003 [data missing]
19th January 3, 2003 – January 3, 2013 [data missing]
15th January 3, 2013 – January 3, 2021 Retired
George E. Shipley Democratic 23rd January 3, 1959 – January 3, 1973 [data missing]
22nd January 3, 1973 – January 3, 1979 [data missing]
Paul Simon Democratic 24th January 3, 1975 – January 3, 1983 [data missing]
22nd January 3, 1983 – January 3, 1985 [data missing]
Edna O. Simpson Republican 20th January 3, 1959 – January 3, 1961 [data missing]
James Simpson Jr. Republican 10th March 4, 1933 – January 3, 1935 [data missing]
Sid Simpson Republican 20th January 3, 1943 – October 26, 1958 Died
James W. Singleton Democratic 11th March 4, 1879 – March 4, 1883 [data missing]
Charles Slade Jacksonian 1st March 4, 1833 – July 26, 1834 Died
Dietrich C. Smith Republican 13th March 4, 1881 – March 4, 1883 [data missing]
Frank L. Smith Republican 17th March 4, 1919 – March 4, 1921 [data missing]
George W. Smith Republican 20th March 4, 1889 – March 4, 1895 [data missing]
22nd March 4, 1895 – March 4, 1903 [data missing]
25th March 4, 1903 – November 30, 1907 Died
Robert Smith Democratic 1st March 4, 1843 – March 4, 1847 [data missing]
Independent Democratic March 4, 1847 – March 4, 1849 [data missing]
Democratic 8th March 4, 1857 – March 4, 1859 [data missing]
Thomas V. Smith Democratic At-large January 3, 1939 – January 3, 1941 [data missing]
Henry Snapp Republican 6th December 4, 1871 – March 4, 1873 [data missing]
Howard M. Snapp Republican 11th March 4, 1903 – March 4, 1911 [data missing]
Herman W. Snow Democratic 9th March 4, 1891 – March 4, 1893 [data missing]
Adam W. Snyder Democratic 1st March 4, 1837 – March 4, 1839 [data missing]
Eric Sorensen Democratic 17th January 3, 2023 – present Incumbent
William A.J. Sparks Democratic 16th March 4, 1875 – March 4, 1883 [data missing]
William L. Springer Republican 22nd January 3, 1951 – January 3, 1973
William M. Springer Democratic 12th March 4, 1875 – March 4, 1883 [data missing]
13th March 4, 1883 – March 4, 1895 [data missing]
Elliott W. Sproul Republican 3rd March 4, 1921 – March 4, 1931 [data missing]
Edmund J. Stack Democratic 6th March 4, 1911 – March 4, 1913 [data missing]
Benjamin Stephenson Democratic-Republican Territory November 14, 1814 – March 4, 1817 [data missing]
John A. Sterling Republican 17th March 4, 1903 – March 4, 1913 [data missing]
March 4, 1915 – October 17, 1918 Died
Bradford N. Stevens Democratic 5th March 4, 1871 – March 4, 1873 [data missing]
Adlai E. Stevenson I Democratic 13th March 4, 1875 – March 4, 1877 [data missing]
March 4, 1879 – March 4, 1881 [data missing]
Lewis Steward Democratic 8th March 4, 1891 – March 4, 1893 [data missing]
Bennett M. Stewart Democratic 1st January 3, 1979 – January 3, 1981 [data missing]
Claude U. Stone Democratic 16th March 4, 1911 – March 4, 1917 [data missing]
William Stratton Republican At-large January 3, 1941 – January 3, 1943 [data missing]
January 3, 1947 – January 3, 1949 [data missing]
Lawrence B. Stringer Democratic At-large March 4, 1913 – March 4, 1915 [data missing]
John T. Stuart Whig 3rd March 4, 1839 – March 4, 1843 [data missing]
Democratic 8th March 4, 1863 – March 4, 1865 [data missing]
Jessie Sumner Republican 18th January 3, 1939 – January 3, 1947) [data missing]
Clyde H. Tavenner Democratic 14th March 4, 1913 – March 4, 1917 [data missing]
Abner Taylor Republican 1st March 4, 1889 – March 4, 1893 [data missing]
Napoleon B. Thistlewood Republican 25th February 15, 1908 – March 4, 1913 [data missing]
John R. Thomas Republican 18th March 4, 1879 – March 4, 1883 [data missing]
20th March 4, 1883 – March 4, 1889 [data missing]
Chester Thompson Democratic 14th March 4, 1933 – January 3, 1939 [data missing]
Charles M. Thomson Progressive 10th March 4, 1913 – March 4, 1915 [data missing]
Anthony Thornton Democratic 10th March 4, 1865 – March 4, 1867 [data missing]
Thomas F. Tipton Republican 13th March 4, 1877 – March 4, 1879 [data 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 missing]
Robert J. Twyman Republican 9th January 3, 1947 – January 3, 1949 [data missing]
Lauren Underwood Democratic 14th January 3, 2019 – present Incumbent
Richard B. Vail Republican 2nd January 3, 1947 – January 3, 1949 [data missing]
January 3, 1951 – January 3, 1953 [data missing]
Harold H. Velde Republican 18th January 3, 1949 – January 3, 1957 [data missing]
Charles W. Vursell Republican 23rd January 3, 1943 – January 3, 1949 [data missing]
24th January 3, 1949 – January 3, 1953 [data missing]
23rd January 3, 1953 – January 3, 1959 [data missing]
Joe Walsh Republican 8th January 3, 2011 – January 3, 2013 [data missing]
James H. Ward Democratic 3rd March 4, 1885 – March 4, 1887 [data missing]
Jasper D. Ward Republican 2nd March 4, 1873 – March 4, 1875 [data missing]
Vespasian Warner Republican 13th March 4, 1895 – March 4, 1903 [data missing]
19th March 4, 1903 – March 4, 1905 [data missing]
Elihu B. Washburne Whig 1st March 4, 1853 – March 4, 1855 [data missing]
Republican March 4, 1855 – March 4, 1863 [data 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 missing]
John Wentworth Democratic 4th March 4, 1843 – March 4, 1851 [data missing]
2nd March 4, 1853 – March 4, 1855 [data missing]
Republican 1st March 4, 1865 – March 4, 1867 [data missing]
Charles S. Wharton Republican 4th March 4, 1905 – March 4, 1907 [data 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 missing]
Loren E. Wheeler Republican 21st March 4, 1915 – March 4, 1923 [data missing]
March 4, 1925 – March 4, 1927 [data missing]
George E. White Republican 5th March 4, 1895 – March 4, 1899 [data missing]
Richard H. Whiting Republican 9th March 4, 1875 – March 4, 1877 [data missing]
Scott Wike Democratic 11th March 4, 1875 – March 4, 1877 [data missing]
12th March 4, 1889 – March 4, 1893 [data missing]
James R. Williams Democratic 19th December 2, 1889 – March 4, 1895 [data missing]
20th March 4, 1899 – March 4, 1903 [data missing]
24th March 4, 1903 – March 4, 1905 [data 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 missing]
At-large March 4, 1913 – March 4, 1917 [data missing]
William Warfield Wilson Republican 3rd March 4, 1903 – March 4, 1913 [data missing]
March 4, 1915 – March 4, 1921 [data missing]
Benson Wood Republican 19th March 4, 1895 – March 4, 1897 [data missing]
Charles W. Woodman Republican 4th March 4, 1895 – March 4, 1897 [data missing]
James Hutchinson Woodworth Republican 2nd March 4, 1855 – March 4, 1857 [data missing]
Nicholas E. Worthington Democratic 10th March 4, 1883 – March 4, 1887 [data missing]
Richard Yates Whig 7th March 4, 1851 – March 4, 1853 [data missing]
6th March 4, 1853 – March 4, 1855 [data missing]
Richard Yates Jr. Republican At-large March 4, 1919 – March 4, 1933 [data missing]
Sidney R. Yates Democratic 9th January 3, 1949 – January 3, 1963 [data missing]
January 3, 1965 – January 3, 1999 [data missing]
Samuel H. Young Republican 10th January 3, 1973 – January 3, 1975 [data missing]
Timothy R. Young Democratic 3rd March 4, 1849 – March 4, 1851 [data missing]

See also

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References

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