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

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]
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 – Present Incumbent
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 – Present Incumbent
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 [data unknown/missing]
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
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 – Present Incumbent
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 – Present Elected to finish Aaron Schock's term.
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 [data unknown/missing]
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 – Present Incumbent
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]
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 – Present Incumbent
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]
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 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]

Living former members

As of February 2021, there are 40 living former members of the House. The most recent member to die was Gale Schisler (served 1965–1967) on February 2, 2020. The most recently serving members to die were Henry Hyde (served 1977–2007) on November 29, 2007 and Lane Evans (served 1983–2007) on November 5, 2014.

Representative Term of office Date of birth (and age)
Donald Rumsfeld 1963–1969 (1932-07-09) July 9, 1932
Marty Russo 1975–1993 (1944-01-23) January 23, 1944
Tom Corcoran 1977–1984 (1939-05-23) May 23, 1939
John Porter 1980–2001 (1935-06-01) June 1, 1935
Lynn Morley Martin 1981–1991 (1939-12-26) December 26, 1939
Richard J. Durbin 1983–1997 (1944-11-21) November 21, 1944
Bill Lipinski 1983–2005 (1937-12-22) December 22, 1937
Terry L. Bruce 1985–1993 (1944-03-25) March 25, 1944
Harris W. Fawell 1985–1999 (1929-03-25) March 25, 1929
Dennis Hastert 1987–2007 (1942-01-02) January 2, 1942
Jerry Costello 1988–2013 (1949-09-25) September 25, 1949
Glenn Poshard 1989–1999 (1945-10-30) October 30, 1945
John W. Cox Jr. 1991–1993 (1947-07-10) July 10, 1947
Thomas W. Ewing 1991–2001 (1935-09-19) September 19, 1935
Mel Reynolds 1993–1995 (1952-01-08) January 8, 1952
Don Manzullo 1993–2013 (1944-03-24) March 24, 1944
Luis Gutiérrez 1993–2019 (1953-12-10) December 10, 1953
Michael Patrick Flanagan 1995–1997 (1962-11-09) November 9, 1962
Ray LaHood 1995–2009 (1945-12-06) December 6, 1945
Jerry Weller 1995–2009 (1957-07-07) July 7, 1957
Jesse Jackson Jr. 1995–2012 (1965-03-11) March 11, 1965
Rod Blagojevich 1997–2003 (1956-12-10) December 10, 1956
John Shimkus 1997–2021 (1958-02-21) February 21, 1958
David D. Phelps 1999–2003 (1947-10-26) October 26, 1947
Judy Biggert 1999–2013 (1937-08-15) August 15, 1937
Mark Kirk 2001–2010 (1959-09-15) September 15, 1959
Tim Johnson 2001–2013 (1946-07-23) July 23, 1946
Rahm Emanuel 2003–2009 (1959-11-29) November 29, 1959
Melissa Bean 2005–2011 (1962-01-22) January 22, 1962
Dan Lipinski 2005–2021 (1966-07-15) July 15, 1966
Phil Hare 2007–2011 (1949-02-21) February 21, 1949
Peter Roskam 2007–2019 (1961-09-13) September 13, 1961
Debbie Halvorson 2009–2011 (1958-03-01) March 1, 1958
Aaron Schock 2009–2015 (1981-05-28) May 28, 1981
Joe Walsh 2011–2013 (1961-12-27) December 27, 1961
Bobby Schilling 2011–2013 (1964-01-23) January 23, 1964
Robert Dold 2011–2013
2015–2017		 (1969-06-23) June 23, 1969
Randy Hultgren 2011–2019 (1966-03-01) March 1, 1966
William Enyart 2013–2015 (1949-09-22) September 22, 1949
Tammy Duckworth 2013–2017 (1968-03-12) March 12, 1968

See also
  • List of United States Senators from Illinois

References
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