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 edit

List of members and delegates edit

Member / DelegatePartyDistrictYearsElectoral history
J. Leroy AdairDemocratic15thMarch 4, 1933 – January 3, 1937[data missing]
George E. AdamsRepublican4thMarch 4, 1883 – March 4, 1891[data missing]
Charles AdkinsRepublican19thMarch 4, 1925 – March 4, 1933[data missing]
J. Frank AldrichRepublican1stMarch 4, 1893 – March 4, 1897[data missing]
William AldrichRepublican1stMarch 4, 1877 – March 4, 1883[data missing]
James C. AllenDemocratic7thMarch 4, 1853 – July 18, 1856House declared not entitled to seat
November 4, 1856 – March 4, 1857Re-elected to fill own vacancy
At-largeMarch 4, 1863 – March 4, 1865[data missing]
John Clayton AllenRepublican14thMarch 4, 1925 – March 4, 1933[data missing]
Leo E. AllenRepublican13thMarch 4, 1933 – January 3, 1949[data missing]
16thJanuary 3, 1949 – January 3, 1961[data missing]
William J. AllenDemocratic9thJune 2, 1862 – March 4, 1863[data missing]
13thMarch 4, 1863 – March 4, 1865[data missing]
Willis AllenDemocratic2ndMarch 4, 1851 – March 4, 1853[data missing]
9thMarch 4, 1853 – March 4, 1855[data missing]
George A. AndersonDemocratic12thMarch 4, 1887 – March 4, 1889[data missing]
John B. AndersonRepublican16thJanuary 3, 1961 – January 3, 1981[data missing]
William B. AndersonIndependent19thMarch 4, 1875 – March 4, 1877[data missing]
Frank AnnunzioDemocratic7thJanuary 3, 1965 – January 3, 1973[data missing]
11thJanuary 3, 1973 – January 3, 1993[data missing]
Leslie C. ArendsRepublican17thJanuary 3, 1935 – January 3, 1973[data missing]
15thJanuary 3, 1973 – December 31, 1974Resigned
Isaac N. ArnoldRepublican2ndMarch 4, 1861 – March 4, 1863[data missing]
1stMarch 4, 1863 – March 4, 1865[data missing]
Laurence F. ArnoldDemocratic23rdJanuary 3, 1937 – January 3, 1943[data missing]
William W. ArnoldDemocratic23rdMarch 4, 1923 – September 16, 1935Resigned to become a member of the US Board of Tax Appeals
John C. BagbyDemocratic10thMarch 4, 1875 – March 4, 1877[data missing]
Edward Dickinson BakerWhig7thMarch 4, 1845 – January 15, 1847Resigned after being commissioned colonel of the 4th Regiment of the Illinois Volunteer Infantry
6thMarch 4, 1849 – March 4, 1851[data missing]
Jehu BakerRepublican12thMarch 4, 1865 – March 4, 1869[data missing]
18thMarch 4, 1887 – March 4, 1889[data missing]
Democratic21stMarch 4, 1897 – March 4, 1899[data missing]
William N. BaltzDemocratic22ndMarch 4, 1913 – March 4, 1915[data missing]
Hiram Barber Jr.Republican3rdMarch 4, 1879 – March 4, 1881[data missing]
James M. BarnesDemocratic20thJanuary 3, 1939 – January 3, 1943[data missing]
Granville BarrereRepublican9thMarch 4, 1873 – March 4, 1875[data missing]
Harry P. BeamDemocratic4thMarch 4, 1931 – December 6, 1942Resigned after being elected judge of the Municipal Court of Chicago
Melissa BeanDemocratic8thJanuary 3, 2005 – January 3, 2011[data missing]
Hugh R. BelknapRepublican3rdDecember 27, 1895 – March 4, 1899Won contested election
John Lourie BeveridgeRepublicanAt-largeNovember 7, 1871 – January 4, 1873Resigned to become Lieutenant Governor
Judy BiggertRepublican13thJanuary 3, 1999 – January 3, 2013[data missing]
C. W. BishopRepublican25thJanuary 3, 1941 – January 3, 1949[data missing]
26thJanuary 3, 1949 – January 3, 1953[data missing]
25thJanuary 3, 1953 – January 3, 1955[data missing]
William H. BissellDemocratic1stMarch 4, 1849 – March 4, 1853[data missing]
Independent Democratic8thMarch 4, 1853 – March 4, 1855[data missing]
John C. BlackDemocraticAt-largeMarch 4, 1893 – January 12, 1895Resigned to become U.S. Attorney
Rod R. BlagojevichDemocratic5thJanuary 3, 1997 – January 3, 2003[data missing]
Shadrach BondDemocratic-RepublicanTerritoryDecember 3, 1812 – August 2, 1813[data missing]
Charles M. BorchersDemocratic19thMarch 4, 1913 – March 4, 1915[data missing]
Mike BostRepublican12thJanuary 3, 2015 – presentIncumbent
Henry S. BoutellRepublican6thNovember 23, 1897 – March 4, 1903[data missing]
9thMarch 4, 1903 – March 4, 1911[data missing]
James B. BowlerDemocratic7thJuly 7, 1953 – July 18, 1957Died
Thomas A. BoydRepublican9thMarch 4, 1877 – March 4, 1881[data missing]
Lewis L. BoyerDemocratic15thJanuary 3, 1937 – January 3, 1939[data missing]
Charles A. BoyleDemocratic12thJanuary 3, 1955 – November 4, 1959Died
Martin A. BrennanDemocraticAt-largeMarch 4, 1933 – January 3, 1937[data missing]
Lorenzo BrentanoRepublican3rdMarch 4, 1877 – March 4, 1879[data missing]
Frederick A. BrittenRepublican9thMarch 4, 1913 – January 3, 1935[data missing]
Henry P.H. BromwellRepublican7thMarch 4, 1865 – March 4, 1869[data missing]
Edwin B. BrooksRepublican23rdMarch 4, 1919 – March 4, 1923[data missing]
Terry L. BruceDemocratic19thJanuary 3, 1985 – January 3, 1993[data missing]
Frank BuchananDemocratic7thMarch 4, 1911 – March 4, 1917[data missing]
John T. BuckbeeRepublican12thMarch 4, 1927 – April 23, 1936Died
James R. BuckleyDemocratic6thMarch 4, 1923 – March 4, 1925[data missing]
James V. BuckleyDemocratic4thJanuary 3, 1949 – January 3, 1951[data missing]
Nikki BudzinskiDemocratic13thJanuary 3, 2023 – presentIncumbent
Horatio C. BurchardRepublican3rdDecember 6, 1869 – March 4, 1873[data missing]
5thMarch 4, 1873 – March 4, 1879[data missing]
Albert G. BurrDemocratic10thMarch 4, 1867 – March 4, 1871[data missing]
Orlando BurrellRepublican20thMarch 4, 1895 – March 4, 1897[data missing]
Fred E. BusbeyRepublican3rdJanuary 3, 1943 – January 3, 1945[data missing]
Samuel T. BuseyDemocratic15thMarch 4, 1891 – March 4, 1893[data missing]
Cheri BustosDemocratic17thJanuary 3, 2013 – January 3, 2023Retired.
Emmet F. ByrneRepublican3rdJanuary 3, 1957 – January 3, 1959[data missing]
Benjamin T. CableDemocratic11thMarch 4, 1891 – March 4, 1893[data missing]
Ben F. CaldwellDemocratic17thMarch 4, 1899 – March 4, 1903[data missing]
21stMarch 4, 1903 – March 4, 1905[data missing]
March 4, 1907 – March 4, 1909[data missing]
Alexander CampbellIndependent7thMarch 4, 1875 – March 4, 1877[data missing]
James R. CampbellDemocratic20thMarch 4, 1897 – March 4, 1899[data missing]
Thompson CampbellDemocratic6thMarch 4, 1851 – March 4, 1853[data missing]
Joseph G. CannonRepublican14thMarch 4, 1873 – March 4, 1883[data missing]
15thMarch 4, 1883 – March 4, 1891
March 4, 1893 – March 4, 1895[data missing]
12thMarch 4, 1895 – March 4, 1903
18thMarch 4, 1903 – March 4, 1913
March 4, 1915 – March 4, 1923[data missing]
Cliffard D. CarlsonRepublican15thApril 4, 1972 – January 3, 1973[data missing]
Zadok CaseyJacksonian2ndMarch 4, 1833 – March 4, 1837[data missing]
DemocraticMarch 4, 1837 – March 4, 1841[data missing]
Independent DemocraticMarch 4, 1841 – March 4, 1843[data missing]
Sean CastenDemocratic6thJanuary 3, 2019 – presentIncumbent
Bernard G. CaulfieldDemocratic1stFebruary 1, 1875 – March 4, 1877[data missing]
Edwin V. ChampionDemocraticAt-largeJanuary 3, 1937 – January 3, 1939[data missing]
Pleasant T. ChapmanRepublican24thMarch 4, 1905 – March 4, 1911[data missing]
Chester A. ChesneyDemocratic11thJanuary 3, 1949 – January 3, 1951[data missing]
Robert A. ChildsRepublican8thMarch 4, 1893 – March 4, 1895[data missing]
Carl R. ChindblomRepublican10thMarch 4, 1919 – March 4, 1933[data missing]
Burnett M. ChiperfieldRepublicanAt-largeMarch 4, 1915 – March 4, 1917[data missing]
15thNovember 4, 1930 – March 4, 1933[data missing]
Robert B. ChiperfieldRepublican15thJanuary 3, 1939 – January 3, 1949[data missing]
19thJanuary 3, 1949 – January 3, 1963[data missing]
Marguerite S. ChurchRepublican13thJanuary 3, 1951 – January 3, 1963[data missing]
Ralph E. ChurchRepublican10thJanuary 3, 1935 – January 3, 1941[data missing]
January 3, 1943 – January 3, 1949[data missing]
13thJanuary 3, 1949 – March 21, 1950Died
Isaac ClementsRepublican18thMarch 4, 1873 – March 4, 1875[data missing]
Roy ClippingerRepublican24thNovember 6, 1945 – January 3, 1949[data missing]
Harold R. CollierRepublican10thJanuary 3, 1957 – January 3, 1973[data missing]
6thJanuary 3, 1973 – January 3, 1975[data missing]
Cardiss CollinsDemocratic7thJune 5, 1973 – January 3, 1997[data missing]
George W. CollinsDemocratic6thNovember 3, 1970 – December 8, 1972Died
James A. ConnollyRepublican17thMarch 4, 1895 – March 4, 1899[data missing]
Burton C. CookRepublican6thMarch 4, 1865 – August 26, 1871Resigned
Daniel Pope CookDemocratic-RepublicanAt-largeMarch 4, 1819 – March 4, 1825[data missing]
Anti-JacksonianMarch 4, 1825 – March 4, 1827
Edward D. CookeRepublican6thMarch 4, 1895 – June 24, 1897Died
Ira C. CopleyRepublican11thMarch 4, 1911 – March 4, 1915[data missing]
ProgressiveMarch 4, 1915 – March 4, 1917[data missing]
RepublicanMarch 4, 1917 – March 4, 1923[data missing]
Tom CorcoranRepublican15thJanuary 3, 1977 – January 3, 1983[data missing]
14thJanuary 3, 1983 – November 28, 1984Resigned to run for the US Senate
Franklin CorwinRepublican7thMarch 4, 1873 – March 4, 1875[data missing]
Jerry F. CostelloDemocratic21stAugust 9, 1988 – January 3, 1993[data missing]
12thJanuary 3, 1993 – January 3, 2013[data missing]
John W. Cox Jr.Democratic16thJanuary 3, 1991 – January 3, 1993[data missing]
Dan CraneRepublican22ndJanuary 3, 1979 – January 3, 1983[data missing]
19thJanuary 3, 1983 – January 3, 1985[data missing]
Philip M. CraneRepublican13thNovember 25, 1969 – January 3, 1973[data missing]
12thJanuary 3, 1973 – January 3, 1993[data missing]
8thJanuary 3, 1993 – January 3, 2005[data missing]
John M. CrebsDemocratic13thMarch 4, 1869 – March 4, 1873[data missing]
Joseph B. CrowleyDemocratic19thMarch 4, 1899 – March 4, 1903[data missing]
23rdMarch 4, 1903 – March 4, 1905[data missing]
William CullenRepublican7thMarch 4, 1881 – March 4, 1883[data missing]
8thMarch 4, 1883 – March 4, 1885[data missing]
Shelby M. CullomRepublican8thMarch 4, 1865 – March 4, 1871[data missing]
Thomas CusackDemocratic4thMarch 4, 1899 – March 4, 1901[data missing]
Danny K. DavisDemocratic7thJanuary 3, 1997 – presentIncumbent
George R. DavisRepublican2ndMarch 4, 1879 – March 4, 1883[data missing]
3rdMarch 4, 1883 – March 4, 1885[data missing]
Jack DavisRepublican4thJanuary 3, 1987 – January 3, 1989[data missing]
Jacob C. DavisDemocratic5thNovember 4, 1856 – March 4, 1857[data missing]
Rodney DavisRepublican13thJanuary 3, 2013 – January 3, 2023Redistrticted to the 13th district and lost renomination to Miller
William L. DawsonDemocratic1stJanuary 3, 1943 – November 9, 1970Died
Stephen A. DayRepublicanAt-largeJanuary 3, 1941 – January 3, 1945[data missing]
Oscar De PriestRepublican1stMarch 4, 1929 – January 3, 1935[data missing]
Edward E. DenisonRepublican25thMarch 4, 1915 – March 4, 1931[data missing]
Edward J. DerwinskiRepublican4thJanuary 3, 1959 – January 3, 1983[data missing]
Charles S. DeweyRepublican9thJanuary 3, 1941 – January 3, 1945[data missing]
Frank S. DicksonRepublican23rdMarch 4, 1905 – March 4, 1907[data missing]
William H. DieterichDemocraticAt-largeMarch 4, 1931 – March 4, 1933[data missing]
Everett M. DirksenRepublican16thMarch 4, 1933 – January 3, 1949[data missing]
Donald C. DobbinsDemocratic19thMarch 4, 1933 – January 3, 1937[data missing]
Robert DoldRepublican10thJanuary 3, 2011 – January 3, 2013[data missing]
January 3, 2015 – January 3, 2017[data missing]
Emily Taft DouglasDemocraticAt-largeJanuary 3, 1945 – January 3, 1947[data missing]
Stephen A. DouglasDemocratic5thMarch 4, 1843 – March 3, 1847Resigned at close of Congress after being elected to the US Senate
Finis E. DowningDemocratic16thMarch 4, 1895 – June 5, 1896Lost contested election
Thomas A. DoyleDemocratic4thNovember 6, 1923 – March 4, 1931[data missing]
Tammy DuckworthDemocratic8thJanuary 3, 2013 – January 3, 2017Elected to US Senate
Joseph DuncanJacksonianAt-largeMarch 4, 1827 – March 4, 1833[data missing]
3rdMarch 4, 1833 – September 21, 1834Resigned to become Governor of Illinois
Ransom W. DunhamRepublican1stMarch 4, 1883 – March 4, 1889[data missing]
Richard J. DurbinDemocratic20thJanuary 3, 1983 – January 3, 1997[data missing]
Allan C. Durborow Jr.Democratic3rdMarch 4, 1891 – March 4, 1895[data missing]
John R. EdenDemocratic7thMarch 4, 1863 – March 4, 1865[data missing]
15thMarch 4, 1873 – March 4, 1879[data missing]
17thMarch 4, 1885 – March 4, 1887[data missing]
Reuben EllwoodRepublican5thMarch 4, 1883 – July 1, 1885Died
Rahm EmanuelDemocratic5thJanuary 3, 2003 – January 2, 2009Resigned to become White House Chief of Staff
Martin EmerichDemocratic1stMarch 4, 1903 – March 4, 1905[data missing]
William EnyartDemocratic12thJanuary 3, 2013 – January 3, 2015[data missing]
John N. ErlenbornRepublican14thJanuary 3, 1965 – January 3, 1983[data missing]
13thJanuary 3, 1983 – January 3, 1985[data missing]
Lane EvansDemocratic17thJanuary 3, 1983 – January 3, 2007[data missing]
Lynden EvansDemocratic9thMarch 4, 1911 – March 4, 1913[data missing]
Thomas W. EwingRepublican15thJuly 2, 1991 – January 3, 2001[data missing]
John F. FarnsworthRepublican2ndMarch 4, 1857 – March 4, 1861[data missing]
March 4, 1863 – March 4, 1873[data missing]
Charles B. FarwellRepublican1stMarch 4, 1871 – March 4, 1873[data missing]
3rdMarch 4, 1873 – May 6, 1876Lost contested election
March 4, 1881 – March 4, 1883[data missing]
John G. FaryDemocratic5thJuly 8, 1975 – January 3, 1983[data missing]
Harris W. FawellRepublican13thJanuary 3, 1985 – January 3, 1999[data missing]
John J. FeelyDemocratic2ndMarch 4, 1901 – March 4, 1903[data missing]
Orlando B. FicklinDemocratic3rdMarch 4, 1843 – March 4, 1849[data missing]
March 4, 1851 – March 4, 1853[data missing]
Paul FindleyRepublican20thJanuary 3, 1961 – January 3, 1983[data missing]
John F. FinertyIndependent Democratic2ndMarch 4, 1883 – March 4, 1885[data missing]
Edward R. FinneganDemocratic12thJanuary 3, 1961 – January 3, 1963[data missing]
9thJanuary 3, 1963 – December 6, 1964Resigned to become Judge of the Circuit Court of Cook County, Illinois
George W. FithianDemocratic16thMarch 4, 1889 – March 4, 1895[data missing]
Louis FitzhenryDemocratic17thMarch 4, 1913 – March 4, 1915[data missing]
Michael Patrick FlanaganRepublican5thJanuary 3, 1995 – January 3, 1997[data missing]
William St. John FormanDemocratic18thMarch 4, 1889 – March 4, 1895[data missing]
Albert P. ForsytheGreenback15thMarch 4, 1879 – March 4, 1881[data missing]
Greenbury L. FortRepublican8thMarch 4, 1873 – March 4, 1881[data missing]
George E. FossRepublican7thMarch 4, 1895 – March 4, 1903[data missing]
10thMarch 4, 1903 – March 4, 1913[data missing]
March 4, 1915 – March 4, 1919[data missing]
Bill FosterDemocratic14thMarch 8, 2008 – January 3, 2011[data missing]
11thJanuary 3, 2013 – presentIncumbent
George Peter FosterDemocratic3rdMarch 4, 1899 – March 4, 1903[data missing]
4thMarch 4, 1903 – March 4, 1905[data missing]
Martin D. FosterDemocratic23rdMarch 4, 1907 – March 4, 1919[data missing]
Philip B. FoukeDemocratic8thMarch 4, 1859 – March 4, 1863[data missing]
H. Robert FowlerDemocratic24thMarch 4, 1911 – March 4, 1915[data missing]
Frank W. FriesDemocratic21stJanuary 3, 1937 – January 3, 1941[data missing]
Charles Eugene FullerRepublican12thMarch 4, 1903 – March 4, 1913[data missing]
March 4, 1915 – June 25, 1926Died
Benjamin F. FunkRepublican14thMarch 4, 1893 – March 4, 1895[data missing]
Frank H. FunkRepublican17thMarch 4, 1921 – March 4, 1927[data missing]
Thomas GallagherDemocratic8thMarch 4, 1909 – March 4, 1921[data missing]
Jesús "Chuy" GarcíaDemocratic4thJanuary 3, 2019 – presentIncumbent


William H. GestRepublican11thMarch 4, 1887 – March 4, 1891[data missing]
Frank GillespieDemocratic17thMarch 4, 1933 – January 3, 1935[data missing]
Julius GoldzierDemocratic4thMarch 4, 1893 – March 4, 1895[data missing]
Thomas S. GordonDemocratic8thJanuary 3, 1943 – January 3, 1959[data missing]
George E. GormanDemocratic3rdMarch 4, 1913 – March 4, 1915[data missing]
John J. GormanRepublican6thMarch 4, 1921 – March 4, 1923[data missing]
March 4, 1925 – March 4, 1927[data missing]
Martin GorskiDemocratic4thJanuary 3, 1943 – January 3, 1949Died
5thJanuary 3, 1949 – December 4, 1949
Joseph V. GraffRepublican14thMarch 4, 1895 – March 4, 1903[data missing]
16thMarch 4, 1903 – March 4, 1911
James M. GrahamDemocratic21stMarch 4, 1909 – March 4, 1915[data missing]
William J. GrahamRepublican14thMarch 4, 1917 – June 7, 1924Resigned to become presiding judge of the US Court of Appeals
Peter C. GranataRepublican8thMarch 4, 1931 – April 5, 1932Lost contested election
Kenneth J. GrayDemocratic25thJanuary 3, 1955 – January 3, 1963[data missing]
21stJanuary 3, 1963 – January 3, 1973[data missing]
24thJanuary 3, 1973 – December 31, 1974Resigned
22ndJanuary 3, 1985 – January 3, 1989[data missing]
John E. GrotbergRepublican14thJanuary 3, 1985 – November 15, 1986Died
Luis V. GutierrezDemocratic4thJanuary 3, 1993 – January 3, 2019[data missing]
William F.L. HadleyRepublican18thDecember 2, 1895 – March 4, 1897[data missing]
Homer W. HallRepublican17thMarch 4, 1927 – March 4, 1933[data missing]
Tim Lee HallDemocratic15thJanuary 3, 1975 – January 3, 1977[data missing]
Debbie HalvorsonDemocratic11thJanuary 3, 2009 – January 3, 2011[data missing]
Robert P. HanrahanRepublican3rdJanuary 3, 1973 – January 3, 1975[data missing]
John J. HardinWhig7thMarch 4, 1843 – March 4, 1845[data missing]
Abner C. HardingRepublican4thMarch 4, 1865 – March 4, 1869[data missing]
Philip HareDemocratic17thJanuary 3, 2007 – January 3, 2011[data missing]
Charles M. HarrisDemocratic4thMarch 4, 1863 – March 4, 1865[data missing]
Thomas L. HarrisDemocratic7thMarch 4, 1849 – March 4, 1851[data missing]
6thMarch 4, 1855 – November 24, 1858Died
Carter Harrison Sr.Democratic2ndMarch 4, 1875 – March 4, 1879[data missing]
William HartzellDemocratic18thMarch 4, 1875 – March 4, 1879[data missing]
J. Dennis HastertRepublican14thJanuary 3, 1987 – November 26, 2007Resigned
Robert M. A. HawkRepublican5thMarch 4, 1879 – June 29, 1882Died
John B. HawleyRepublican4thMarch 4, 1869 – March 4, 1873[data missing]
6thMarch 4, 1873 – March 4, 1875[data missing]
John B. HayRepublican12thMarch 4, 1869 – March 4, 1873[data missing]
Charles HayesDemocratic1stAugust 23, 1983 – January 3, 1993[data missing]
Philip C. HayesRepublican7thMarch 4, 1877 – March 4, 1881[data missing]
James V. HeidingerRepublican24thJanuary 3, 1941 – March 22, 1945Died
Thomas J. HendersonRepublican6thMarch 4, 1875 – March 4, 1883[data missing]
7thMarch 4, 1883 – March 4, 1895[data missing]
John HenryWhig7thFebruary 5, 1847 – March 4, 1847[data missing]
Charles A. HillRepublican8thMarch 4, 1889 – March 4, 1891[data missing]
Robert P. HillDemocratic25thMarch 4, 1913 – March 4, 1915[data missing]
William H. HinebaughProgressive12thMarch 4, 1913 – March 4, 1915[data missing]
William H. HinrichsenDemocratic16thMarch 4, 1897 – March 4, 1899[data missing]
Robert R. HittRepublican5thNovember 7, 1882 – March 4, 1883Died
6thMarch 4, 1883 – March 4, 1895
9thMarch 4, 1895 – March 4, 1903
13thMarch 4, 1903 – September 20, 1906
Charles D. HodgesDemocratic6thJanuary 4, 1859 – March 4, 1859[data missing]
Elmer J. HoffmanRepublican14thJanuary 3, 1959 – January 3, 1965[data missing]
Richard W. HoffmanRepublican10thJanuary 3, 1949 – January 3, 1957[data missing]
Joseph P. HogeDemocratic6thMarch 4, 1843 – March 4, 1847[data missing]
William P. HoladayRepublican18thMarch 4, 1923 – March 4, 1933[data missing]
Albert J. HopkinsRepublican5thDecember 7, 1885 – March 4, 1895[data missing]
8thMarch 4, 1895 – March 4, 1903[data missing]
George Evan HowellRepublican21stJanuary 3, 1941 – October 5, 1947Resigned after becoming judge of the US Court of Claims
Stephen A. HoxworthDemocratic15thMarch 4, 1913 – March 4, 1915[data missing]
Winnifred HuckRepublicanAt-largeNovember 7, 1922 – March 4, 1923[data missing]
Morton D. HullRepublican2ndApril 23, 1923 – March 4, 1933[data missing]
William E. HullRepublican16thMarch 4, 1923 – March 4, 1933[data missing]
Randy HultgrenRepublican14thJanuary 3, 2011 – January 3, 2019[data missing]
Andrew J. HunterDemocraticAt-largeMarch 4, 1893 – March 4, 1895[data missing]
19thMarch 4, 1897 – March 4, 1899[data missing]
Stephen A. HurlbutRepublican4thMarch 4, 1873 – March 4, 1877[data missing]
Henry J. HydeRepublican6thJanuary 3, 1975 – January 3, 2007[data missing]
James T. IgoeDemocratic6thMarch 4, 1927 – March 4, 1933[data missing]
Michael L. IgoeDemocraticAt-largeJanuary 3, 1935 – June 2, 1935Resigned to become U.S. Attorney
Ebon C. IngersollRepublican5thMay 20, 1864 – March 4, 1871[data missing]
Clifford C. IrelandRepublican16thMarch 4, 1917 – March 4, 1923[data missing]
Edward M. IrwinRepublican22ndMarch 4, 1925 – March 4, 1931[data missing]
Jesse Jackson, Jr.Democratic2ndDecember 12, 1995 – November 21, 2012Resigned
Jonathan JacksonDemocratic1stJanuary 3, 2023 – presentIncumbent
Edward H. JenisonRepublican18thJanuary 3, 1947 – January 3, 1949[data missing]
23rdJanuary 3, 1949 – January 3, 1953[data missing]
Thomas M. JettDemocratic18thMarch 4, 1897 – March 4, 1903[data missing]
Anton J. JohnsonRepublican14thJanuary 3, 1939 – January 3, 1949[data missing]
Calvin D. JohnsonRepublican22ndJanuary 3, 1943 – January 3, 1945[data missing]
Tim JohnsonRepublican15thJanuary 3, 2001 – January 3, 2013[data missing]
William Richard JohnsonRepublican13thMarch 4, 1925 – March 4, 1933[data missing]
Edgar A. JonasRepublican12thJanuary 3, 1949 – January 3, 1955[data missing]
Norman B. JuddRepublican1stMarch 4, 1867 – March 4, 1871[data missing]
Niels JuulRepublican7thMarch 4, 1917 – March 4, 1921[data missing]
Charles A. KarchDemocratic22ndMarch 4, 1931 – November 6, 1932Died
Russell W. KeeneyRepublican14thJanuary 3, 1957 – January 11, 1958Died
Kent E. KellerDemocratic25thMarch 4, 1931 – January 3, 1941[data missing]
William KelloggRepublican4thMarch 4, 1857 – March 4, 1863[data missing]
Edward A. KellyDemocratic3rdMarch 4, 1931 – January 3, 1943[data missing]
January 3, 1945 – January 3, 1947[data missing]
Robin KellyDemocratic2ndApril 9, 2013 – presentIncumbent
Fred J. KernDemocratic21stMarch 4, 1901 – March 4, 1903[data missing]
Edward John KingRepublican15thMarch 4, 1915 – February 17, 1929Died
Adam KinzingerRepublican11thJanuary 3, 2011 – January 3, 2013[data missing]
16thJanuary 3, 2013 – January 3, 2023Retired.
Mark KirkRepublican10thJanuary 3, 2001 – November 29, 2010Resigned after being elected to the U.S. Senate
John C. KluczynskiDemocratic5thJanuary 3, 1951 – January 26, 1975Died
Anthony L. KnappDemocratic6thDecember 12, 1861 – March 4, 1863[data missing]
10thMarch 4, 1863 – March 4, 1865[data missing]
Robert M. KnappDemocratic11thMarch 4, 1873 – March 4, 1875[data missing]
March 4, 1877 – March 4, 1879[data missing]
Philip KnopfRepublican7thMarch 4, 1903 – March 4, 1909[data missing]
James KnoxWhig4thMarch 4, 1853 – March 4, 1855[data missing]
OppositionMarch 4, 1855 – March 4, 1857[data missing]
Leo KocialkowskiDemocratic8thMarch 4, 1933 – January 3, 1943[data missing]
Raja KrishnamoorthiDemocratic8thJanuary 3, 2017 – presentIncumbent
Stanley H. KunzDemocratic8thMarch 4, 1921 – March 4, 1931[data missing]
April 5, 1932 – March 4, 1933Won contested election
Andrew J. KuykendallRepublican13thMarch 4, 1865 – March 4, 1867[data missing]
Darin LaHoodRepublican18thSeptember 10, 2015 – January 3, 2023Elected to finish Aaron Schock's term.
16thJanuary 3, 2023 – presentIncumbent.
Ray LaHoodRepublican18thJanuary 3, 1995 – January 3, 2009[data missing]
Silas Z. LandesDemocratic16thMarch 4, 1885 – March 4, 1889[data missing]
Edward LaneDemocratic17thMarch 4, 1887 – March 4, 1895[data missing]
William LathropRepublican4thMarch 4, 1877 – March 4, 1879[data missing]
Frank LawlerDemocratic2ndMarch 4, 1885 – March 4, 1891[data missing]
John V. Le MoyneDemocratic3rdMay 6, 1876 – March 4, 1877Won contested election
John H. LewisRepublican9thMarch 4, 1881 – March 4, 1883[data missing]
Roland V. LibonatiDemocratic7thDecember 31, 1957 – January 3, 1965[data missing]
Abraham LincolnWhig7thMarch 4, 1847 – March 4, 1849Retired to private sector.
Neil J. LinehanDemocratic3rdJanuary 3, 1949 – January 3, 1951[data missing]
William W. LinkDemocratic7thJanuary 3, 1945 – January 3, 1947[data missing]
Bill LipinskiDemocratic5thJanuary 3, 1983 – January 3, 1993[data missing]
3rdJanuary 3, 1993 – January 3, 2005[data missing]
Dan LipinskiDemocratic3rdJanuary 3, 2005 – January 3, 2021Defeated in primary by Marie Newman
John A. LoganDemocratic9thMarch 4, 1859 – April 2, 1862Resigned to accept commission as a brigadier general in the Union Army
RepublicanAt-largeMarch 4, 1867 – March 3, 1871Resigned to become a US Senator
Lewis M. LongDemocraticAt-largeJanuary 3, 1937 – January 3, 1939[data missing]
William LorimerRepublican2ndMarch 4, 1895 – March 4, 1901[data missing]
6thMarch 4, 1903 – June 17, 1909Resigned after being elected to the US Senate
Owen LovejoyRepublican3rdMarch 4, 1857 – March 4, 1863[data missing]
5thMarch 4, 1863 – March 25, 1864Died
Frank O. LowdenRepublican13thNovember 6, 1906 – March 4, 1911[data missing]
Scott W. LucasDemocratic20thJanuary 3, 1935 – January 3, 1939[data missing]
Frederick LundinRepublican7thMarch 4, 1909 – March 4, 1911[data missing]
A. F. MaciejewskiDemocratic6thJanuary 3, 1939 – December 8, 1942Resigned
Peter F. Mack Jr.Democratic21stJanuary 3, 1949 – January 3, 1963[data missing]
Martin B. MaddenRepublican1stMarch 4, 1905 – April 27, 1928Died
Edward Rell MadiganRepublican21stJanuary 3, 1973 – January 3, 1983[data missing]
15thJanuary 3, 1983 – March 8, 1991Resigned to become U.S. Secretary of Agriculture
William F. MahoneyDemocratic5thMarch 4, 1901 – March 4, 1903[data missing]
8thMarch 4, 1903 – December 27, 1904Died
J. Earl MajorDemocratic21stMarch 4, 1923 – March 4, 1925[data missing]
March 4, 1927 – March 4, 1929[data missing]
March 4, 1931 – October 6, 1933Resigned after becoming judge of the US District Court for the Southern District of Illinois
James R. MannRepublican1stMarch 4, 1897 – March 4, 1903[data missing]
2ndMarch 4, 1903 – November 30, 1922Died
Donald A. ManzulloRepublican16thJanuary 3, 1993 – January 3, 2013[data missing]
Benjamin F. MarshRepublican10thMarch 4, 1877 – March 4, 1883[data missing]
11thMarch 4, 1893 – March 4, 1895[data missing]
15thMarch 4, 1895 – March 4, 1901[data missing]
14thMarch 4, 1903 – June 2, 1905Died
Samuel S. MarshallDemocratic9thMarch 4, 1855 – March 4, 1859[data missing]
11thMarch 4, 1865 – March 4, 1873[data missing]
19thMarch 4, 1873 – March 4, 1875[data missing]
Charles MartinDemocratic4thMarch 4, 1917 – October 28, 1917Died
James Stewart MartinRepublican16thMarch 4, 1873 – March 4, 1875[data missing]
John C. MartinDemocraticAt-largeJanuary 3, 1939 – January 3, 1941[data missing]
Lynn Morley MartinRepublican16thJanuary 3, 1981 – January 3, 1991[data missing]
Harry H. MasonDemocratic21stJanuary 3, 1935 – January 3, 1937[data missing]
Noah M. MasonRepublican12thJanuary 3, 1937 – January 3, 1949[data missing]
15thJanuary 3, 1949 – January 3, 1963[data missing]
William E. MasonRepublican3rdMarch 4, 1887 – March 4, 1891[data missing]
At-largeMarch 4, 1917 – June 16, 1921Died
William L. MayDemocratic3rdDecember 1, 1834 – March 4, 1837[data missing]
March 4, 1837 – March 4, 1839[data missing]
James McAndrewsDemocratic4thMarch 4, 1901 – March 4, 1903[data missing]
5thMarch 4, 1903 – March 4, 1905[data missing]
6thMarch 4, 1913 – March 4, 1921[data missing]
9thJanuary 3, 1935 – January 3, 1941[data missing]
John A. McClernandDemocratic2ndMarch 4, 1843 – March 4, 1851[data missing]
6thNovember 8, 1859 – October 28, 1861Resigned to accept commission as brigadier general of volunteers for service in the Civil War
Robert McCloryRepublican12thJanuary 3, 1963 – January 3, 1973[data missing]
13thJanuary 3, 1973 – January 3, 1983[data missing]
Joseph M. McCormickRepublicanAt-largeMarch 4, 1917 – March 4, 1919[data missing]
Ruth H. McCormickRepublicanAt-largeMarch 4, 1929 – March 4, 1931[data missing]
John J. McDannoldDemocratic12thMarch 4, 1893 – March 4, 1895[data missing]
James T. McDermottDemocratic4thMarch 4, 1907 – July 21, 1914Resigned
March 4, 1915 – March 4, 1917Elected to fill his own seat
Lawrence E. McGannDemocratic2ndMarch 4, 1891 – March 4, 1895[data missing]
3rdMarch 4, 1895 – December 27, 1895Lost contested election
Charles McGavinRepublican8thMarch 4, 1905 – March 4, 1909[data missing]
John C. McKenzieRepublican13thMarch 4, 1911 – March 4, 1925[data missing]
Raymond S. McKeoughDemocratic2ndJanuary 3, 1935 – January 3, 1943[data missing]
William B. McKinleyRepublican19thMarch 4, 1905 – March 4, 1913[data missing]
March 4, 1915 – March 4, 1921[data missing]
James McKinneyRepublican14thNovember 7, 1905 – March 4, 1913[data missing]
John McLeanDemocratic-RepublicanAt-largeDecember 3, 1818 – March 4, 1819[data missing]
Robert T. McLoskeyRepublican19thJanuary 3, 1963 – January 3, 1965[data missing]
Rolla C. McMillenRepublican19thJune 13, 1944 – January 3, 1949[data missing]
22ndJanuary 3, 1949 – January 3, 1951[data missing]
Thompson W. McNeelyDemocratic9thMarch 4, 1869 – March 4, 1873[data missing]
John McNultaRepublican13thMarch 4, 1873 – March 4, 1875[data missing]
William E. McVeyRepublican4thJanuary 3, 1951 – August 10, 1958Died
James A. MeeksDemocratic18thMarch 4, 1933 – January 3, 1939[data missing]
Ralph MetcalfeDemocratic1stJanuary 3, 1971 – October 10, 1978Died
M. Alfred MichaelsonRepublican7thMarch 4, 1921 – March 4, 1931[data missing]
Anthony MichalekRepublican5thMarch 4, 1905 – March 4, 1907[data missing]
Robert H. MichelRepublican18thJanuary 3, 1957 – January 3, 1995[data missing]
J. Ross MickeyDemocratic15thMarch 4, 1901 – March 4, 1903[data missing]
Abner J. MikvaDemocratic2ndJanuary 3, 1969 – January 3, 1973[data missing]
10thJanuary 3, 1975 – September 26, 1979Resigned to become judge of U.S. Court of Appeals
Edward E. MillerRepublican22ndMarch 4, 1923 – March 4, 1925[data missing]
Mary MillerRepublican15thJanuary 3, 2021 – presentIncumbent
Daniel W. MillsRepublican4thMarch 4, 1897 – March 4, 1899[data missing]
Arthur W. MitchellDemocratic1stJanuary 3, 1935 – January 3, 1943[data missing]
Richard S. MolonyDemocratic4thMarch 4, 1851 – March 4, 1853[data missing]
Allen F. MooreRepublican19thMarch 4, 1921 – March 4, 1925[data missing]
Jesse Hale MooreRepublican7thMarch 4, 1869 – March 4, 1873[data missing]
Isaac N. MorrisDemocratic5thMarch 4, 1857 – March 4, 1861[data missing]
James L. D. MorrisonDemocratic8thNovember 4, 1856 – March 4, 1857[data missing]
William Ralls MorrisonDemocratic12thMarch 4, 1863 – March 4, 1865[data missing]
17thMarch 4, 1873 – March 4, 1883[data missing]
18thMarch 4, 1883 – March 4, 1887
Samuel W. MoultonRepublicanAt-largeMarch 4, 1865 – March 4, 1867[data missing]
Democratic15thMarch 4, 1881 – March 4, 1883[data missing]
17thMarch 4, 1883 – March 4, 1885
William J. MoxleyRepublican6thNovember 23, 1909 – March 4, 1911[data missing]
P. H. MoynihanRepublican2ndMarch 4, 1933 – January 3, 1935[data missing]
Everett J. MurphyRepublican21stMarch 4, 1895 – March 4, 1897[data missing]
Morgan F. MurphyDemocratic3rdJanuary 3, 1971 – January 3, 1973[data missing]
2ndJanuary 3, 1973 – January 3, 1981[data missing]
William T. MurphyDemocratic3rdJanuary 3, 1959 – January 3, 1971[data missing]
James C. MurrayDemocratic3rdJanuary 3, 1955 – January 3, 1957[data missing]
William H. NeeceDemocratic11thMarch 4, 1883 – March 4, 1887[data missing]
Walter NesbitDemocraticAt-largeMarch 4, 1933 – January 3, 1935[data missing]
Walter C. NewberryDemocratic4thMarch 4, 1891 – March 4, 1893[data missing]
Marie NewmanDemocratic3rdJanuary 3, 2021 – January 3, 2023Redistricted to the 6th district and lost renomination to Casten.
Edward T. NoonanDemocratic5thMarch 4, 1899 – March 4, 1901[data missing]
Jesse O. NortonWhig3rdMarch 4, 1853 – March 4, 1855[data missing]
OppositionMarch 4, 1855 – March 4, 1857
Republican6thMarch 4, 1863 – March 4, 1865[data missing]
George M. O'BrienRepublican17thJanuary 3, 1973 – January 3, 1983Died
4thJanuary 3, 1983 – July 17, 1986
Thomas J. O'BrienDemocratic6thMarch 4, 1933 – January 3, 1939[data missing]
January 3, 1943 – April 14, 1964Died
Frank T. O'HairDemocratic18thMarch 4, 1913 – March 4, 1915[data missing]
Barratt O'HaraDemocratic2ndJanuary 3, 1949 – January 3, 1951[data missing]
January 3, 1953 – January 3, 1969[data missing]
Thomas L. OwensRepublican7thJanuary 3, 1947 – June 7, 1948Died
George A. PaddockRepublican10thJanuary 3, 1941 – January 3, 1943[data missing]
Claude V. ParsonsDemocratic24thNovember 4, 1930 – January 3, 1941[data missing]
Lewis E. PaysonRepublican8thMarch 4, 1881 – March 4, 1883[data missing]
9thMarch 4, 1883 – March 4, 1891[data missing]
David D. PhelpsDemocratic19thJanuary 3, 1999 – January 3, 2003[data missing]
Ralph PlumbRepublican8thMarch 4, 1885 – March 4, 1889[data missing]
Nathaniel PopeDemocratic-RepublicanTerritoryMarch 4, 1817 – November 30, 1818[data missing]
John Edward PorterRepublican10thJanuary 22, 1980 – January 3, 2001[data missing]
Glenn PoshardDemocratic22ndJanuary 3, 1989 – January 3, 1993[data missing]
19thJanuary 3, 1993 – January 3, 1999[data missing]
Philip S. PostRepublican10thMarch 4, 1887 – January 6, 1895Died
Melvin PriceDemocratic22ndJanuary 3, 1945 – January 3, 1949[data missing]
25thJanuary 3, 1949 – January 3, 1953[data missing]
24thJanuary 3, 1953 – January 3, 1973[data missing]
23rdJanuary 3, 1973 – January 3, 1983[data missing]
21stJanuary 3, 1983 – April 22, 1988Died
George W. PrinceRepublican10thDecember 2, 1895 – March 4, 1903[data missing]
15thMarch 4, 1903 – March 4, 1913[data missing]
Roman C. PucinskiDemocratic11thJanuary 3, 1959 – January 3, 1973[data missing]
Michael QuigleyDemocratic5thApril 7, 2009 – presentIncumbent
Tom RailsbackRepublican19thJanuary 3, 1967 – January 3, 1983[data missing]
Henry T. RaineyDemocratic20thMarch 4, 1903 – March 4, 1921[data missing]
March 4, 1923 – August 19, 1934Died
John W. RaineyDemocratic4thApril 2, 1918 – May 4, 1923Died
Frank M. RameyRepublican21stMarch 4, 1929 – March 4, 1931[data missing]
Delia RamirezDemocratic3rdJanuary 3, 2023 – presentIncumbent
Henry Riggs RathboneRepublicanAt-largeMarch 4, 1923 – July 15, 1928Died
Green B. RaumRepublican13thMarch 4, 1867 – March 4, 1869[data missing]
William H. RayRepublican10thMarch 4, 1873 – March 4, 1875[data missing]
Chauncey W. ReedRepublican11thJanuary 3, 1935 – January 3, 1949[data missing]
14thJanuary 3, 1949 – February 9, 1956Died
Walter ReevesRepublican11thMarch 4, 1895 – March 4, 1903[data missing]
Charlotte T. ReidRepublican15thJanuary 3, 1963 – October 7, 1971Resigned to become member of the Federal Communications Commission
Frank R. ReidRepublican11thMarch 4, 1923 – January 3, 1935[data missing]
Frederick RemannRepublican18thMarch 4, 1895 – July 14, 1895Died
Alexander J. ResaDemocratic9thJanuary 3, 1945 – January 3, 1947[data missing]
John ReynoldsJacksonian1stDecember 1, 1834 – March 4, 1837[data missing]
DemocraticMarch 4, 1839 – March 4, 1843[data missing]
Mel ReynoldsDemocratic2ndJanuary 3, 1993 – October 1, 1995Resigned
Edward Y. RiceDemocratic10thMarch 4, 1871 – March 4, 1873[data missing]
John Blake RiceRepublican1stMarch 4, 1873 – December 17, 1874Died
William A. RichardsonDemocratic5thDecember 6, 1847 – August 25, 1856Resigned
March 4, 1861 – January 29, 1863Resigned after being elected to the US Senate
James M. RiggsDemocratic12thMarch 4, 1883 – March 4, 1887[data missing]
Hugh M. RigneyDemocratic19thJanuary 3, 1937 – January 3, 1939[data missing]
John I. RinakerRepublican16thJune 5, 1896 – March 4, 1897Won contested election
Zeno J. RivesRepublican21stMarch 4, 1905 – March 4, 1907[data missing]
James Carroll RobinsonDemocratic7thMarch 4, 1859 – March 4, 1863[data missing]
11thMarch 4, 1863 – March 4, 1865[data missing]
8thMarch 4, 1871 – March 4, 1873[data missing]
12thMarch 4, 1873 – March 4, 1875[data missing]
William A. RodenbergRepublican21stMarch 4, 1899 – March 4, 1901[data missing]
22ndMarch 4, 1903 – March 4, 1913[data missing]
March 4, 1915 – March 4, 1923[data missing]
Daniel J. RonanDemocratic6thJanuary 3, 1965 – August 13, 1969Died
Peter RoskamRepublican6thJanuary 3, 2007 – January 3, 2019[data missing]
Lewis W. RossDemocratic9thMarch 4, 1863 – March 4, 1869[data missing]
Dan RostenkowskiDemocratic8thJanuary 3, 1959 – January 3, 1993[data missing]
5thJanuary 3, 1993 – January 3, 1995[data missing]
William A. RowanDemocratic2ndJanuary 3, 1943 – January 3, 1947[data missing]
Jonathan H. RowellRepublican14thMarch 4, 1883 – March 4, 1891[data missing]
Donald RumsfeldRepublican13thJanuary 3, 1963 – May 25, 1969Resigned to become Director of the Office of Economic Opportunity
Bobby RushDemocratic1stJanuary 3, 1993 – January 3, 2023Retired.
Marty RussoDemocratic3rdJanuary 3, 1975 – January 3, 1993[data missing]
Adolph J. SabathDemocratic5thMarch 4, 1907 – January 3, 1949[data missing]
7thJanuary 3, 1949 – November 6, 1952Died
George E. SangmeisterDemocratic4thJanuary 3, 1989 – January 3, 1993[data missing]
11thJanuary 3, 1993 – January 3, 1995[data missing]
Gus SavageDemocratic2ndJanuary 3, 1981 – January 3, 1993[data missing]
Edwin M. SchaeferDemocratic22ndMarch 4, 1933 – January 3, 1943[data missing]
Janice D. SchakowskyDemocratic9thJanuary 3, 1999 – presentIncumbent
Bobby SchillingRepublican17thJanuary 3, 2011 – January 3, 2013[data missing]
Gale SchislerDemocratic19thJanuary 3, 1965 – January 3, 1967[data missing]
Brad SchneiderDemocratic10thJanuary 3, 2013 – January 3, 2015[data missing]
January 3, 2017 – presentIncumbent
Aaron SchockRepublican18thJanuary 3, 2009 – March 31, 2015[data missing]
Leonard W. SchuetzDemocratic7thMarch 4, 1931 – February 13, 1944Died
Owen ScottDemocratic14thMarch 4, 1891 – March 4, 1893[data missing]
Thomas J. SelbyDemocratic16thMarch 4, 1901 – March 4, 1903[data missing]
Aaron ShawDemocratic7thMarch 4, 1857 – March 4, 1859[data missing]
16thMarch 4, 1883 – March 4, 1885[data missing]
Guy L. ShawRepublican20thMarch 4, 1921 – March 4, 1923[data missing]
Timothy P. SheehanRepublican11thJanuary 3, 1951 – January 3, 1959[data missing]
John C. SherwinRepublican4thMarch 4, 1879 – March 4, 1883[data missing]
John ShimkusRepublican20thJanuary 3, 1997 – January 3, 2003[data missing]
19thJanuary 3, 2003 – January 3, 2013[data missing]
15thJanuary 3, 2013 – January 3, 2021Retired
George E. ShipleyDemocratic23rdJanuary 3, 1959 – January 3, 1973[data missing]
22ndJanuary 3, 1973 – January 3, 1979[data missing]
Paul SimonDemocratic24thJanuary 3, 1975 – January 3, 1983[data missing]
22ndJanuary 3, 1983 – January 3, 1985[data missing]
Edna O. SimpsonRepublican20thJanuary 3, 1959 – January 3, 1961[data missing]
James Simpson Jr.Republican10thMarch 4, 1933 – January 3, 1935[data missing]
Sid SimpsonRepublican20thJanuary 3, 1943 – October 26, 1958Died
James W. SingletonDemocratic11thMarch 4, 1879 – March 4, 1883[data missing]
Charles SladeJacksonian1stMarch 4, 1833 – July 26, 1834Died
Dietrich C. SmithRepublican13thMarch 4, 1881 – March 4, 1883[data missing]
Frank L. SmithRepublican17thMarch 4, 1919 – March 4, 1921[data missing]
George W. SmithRepublican20thMarch 4, 1889 – March 4, 1895[data missing]
22ndMarch 4, 1895 – March 4, 1903[data missing]
25thMarch 4, 1903 – November 30, 1907Died
Robert SmithDemocratic1stMarch 4, 1843 – March 4, 1847[data missing]
Independent DemocraticMarch 4, 1847 – March 4, 1849[data missing]
Democratic8thMarch 4, 1857 – March 4, 1859[data missing]
Thomas V. SmithDemocraticAt-largeJanuary 3, 1939 – January 3, 1941[data missing]
Henry SnappRepublican6thDecember 4, 1871 – March 4, 1873[data missing]
Howard M. SnappRepublican11thMarch 4, 1903 – March 4, 1911[data missing]
Herman W. SnowDemocratic9thMarch 4, 1891 – March 4, 1893[data missing]
Adam W. SnyderDemocratic1stMarch 4, 1837 – March 4, 1839[data missing]
Eric SorensenDemocratic17thJanuary 3, 2023 – presentIncumbent
William A.J. SparksDemocratic16thMarch 4, 1875 – March 4, 1883[data missing]
William L. SpringerRepublican22ndJanuary 3, 1951 – January 3, 1973
William M. SpringerDemocratic12thMarch 4, 1875 – March 4, 1883[data missing]
13thMarch 4, 1883 – March 4, 1895[data missing]
Elliott W. SproulRepublican3rdMarch 4, 1921 – March 4, 1931[data missing]
Edmund J. StackDemocratic6thMarch 4, 1911 – March 4, 1913[data missing]
Benjamin StephensonDemocratic-RepublicanTerritoryNovember 14, 1814 – March 4, 1817[data missing]
John A. SterlingRepublican17thMarch 4, 1903 – March 4, 1913[data missing]
March 4, 1915 – October 17, 1918Died
Bradford N. StevensDemocratic5thMarch 4, 1871 – March 4, 1873[data missing]
Adlai E. Stevenson IDemocratic13thMarch 4, 1875 – March 4, 1877[data missing]
March 4, 1879 – March 4, 1881[data missing]
Lewis StewardDemocratic8thMarch 4, 1891 – March 4, 1893[data missing]
Bennett M. StewartDemocratic1stJanuary 3, 1979 – January 3, 1981[data missing]
Claude U. StoneDemocratic16thMarch 4, 1911 – March 4, 1917[data missing]
William StrattonRepublicanAt-largeJanuary 3, 1941 – January 3, 1943[data missing]
January 3, 1947 – January 3, 1949[data missing]
Lawrence B. StringerDemocraticAt-largeMarch 4, 1913 – March 4, 1915[data missing]
John T. StuartWhig3rdMarch 4, 1839 – March 4, 1843[data missing]
Democratic8thMarch 4, 1863 – March 4, 1865[data missing]
Jessie SumnerRepublican18thJanuary 3, 1939 – January 3, 1947)[data missing]
Clyde H. TavennerDemocratic14thMarch 4, 1913 – March 4, 1917[data missing]
Abner TaylorRepublican1stMarch 4, 1889 – March 4, 1893[data missing]
Napoleon B. ThistlewoodRepublican25thFebruary 15, 1908 – March 4, 1913[data missing]
John R. ThomasRepublican18thMarch 4, 1879 – March 4, 1883[data missing]
20thMarch 4, 1883 – March 4, 1889[data missing]
Chester ThompsonDemocratic14thMarch 4, 1933 – January 3, 1939[data missing]
Charles M. ThomsonProgressive10thMarch 4, 1913 – March 4, 1915[data missing]
Anthony ThorntonDemocratic10thMarch 4, 1865 – March 4, 1867[data missing]
Thomas F. TiptonRepublican13thMarch 4, 1877 – March 4, 1879[data missing]
Richard W. TownshendDemocratic19thMarch 4, 1877 – March 9, 1889Died
Thomas J. TurnerDemocratic6thMarch 4, 1847 – March 4, 1849[data missing]
Robert J. TwymanRepublican9thJanuary 3, 1947 – January 3, 1949[data missing]
Lauren UnderwoodDemocratic14thJanuary 3, 2019 – presentIncumbent
Richard B. VailRepublican2ndJanuary 3, 1947 – January 3, 1949[data missing]
January 3, 1951 – January 3, 1953[data missing]
Harold H. VeldeRepublican18thJanuary 3, 1949 – January 3, 1957[data missing]
Charles W. VursellRepublican23rdJanuary 3, 1943 – January 3, 1949[data missing]
24thJanuary 3, 1949 – January 3, 1953[data missing]
23rdJanuary 3, 1953 – January 3, 1959[data missing]
Joe WalshRepublican8thJanuary 3, 2011 – January 3, 2013[data missing]
James H. WardDemocratic3rdMarch 4, 1885 – March 4, 1887[data missing]
Jasper D. WardRepublican2ndMarch 4, 1873 – March 4, 1875[data missing]
Vespasian WarnerRepublican13thMarch 4, 1895 – March 4, 1903[data missing]
19thMarch 4, 1903 – March 4, 1905[data missing]
Elihu B. WashburneWhig1stMarch 4, 1853 – March 4, 1855[data missing]
RepublicanMarch 4, 1855 – March 4, 1863[data missing]
3rdMarch 4, 1863 – March 6, 1869Resigned to become United States Secretary of State
Harold WashingtonDemocratic1stJanuary 3, 1981 – April 30, 1983Resigned to become Mayor of Chicago
Jerry WellerRepublican11thJanuary 3, 1995 – January 3, 2009[data missing]
John WentworthDemocratic4thMarch 4, 1843 – March 4, 1851[data missing]
2ndMarch 4, 1853 – March 4, 1855[data missing]
Republican1stMarch 4, 1865 – March 4, 1867[data missing]
Charles S. WhartonRepublican4thMarch 4, 1905 – March 4, 1907[data missing]
William H. WheatRepublican19thJanuary 3, 1939 – January 16, 1944Died
Hamilton K. WheelerRepublican9thMarch 4, 1893 – March 4, 1895[data missing]
Loren E. WheelerRepublican21stMarch 4, 1915 – March 4, 1923[data missing]
March 4, 1925 – March 4, 1927[data missing]
George E. WhiteRepublican5thMarch 4, 1895 – March 4, 1899[data missing]
Richard H. WhitingRepublican9thMarch 4, 1875 – March 4, 1877[data missing]
Scott WikeDemocratic11thMarch 4, 1875 – March 4, 1877[data missing]
12thMarch 4, 1889 – March 4, 1893[data missing]
James R. WilliamsDemocratic19thDecember 2, 1889 – March 4, 1895[data missing]
20thMarch 4, 1899 – March 4, 1903[data missing]
24thMarch 4, 1903 – March 4, 1905[data missing]
Thomas Sutler WilliamsRepublican24thMarch 4, 1915 – November 11, 1929Resigned to become a judge to the United States Court of Claims
William E. WilliamsDemocratic16thMarch 4, 1899 – March 4, 1901[data missing]
At-largeMarch 4, 1913 – March 4, 1917[data missing]
William Warfield WilsonRepublican3rdMarch 4, 1903 – March 4, 1913[data missing]
March 4, 1915 – March 4, 1921[data missing]
Benson WoodRepublican19thMarch 4, 1895 – March 4, 1897[data missing]
Charles W. WoodmanRepublican4thMarch 4, 1895 – March 4, 1897[data missing]
James Hutchinson WoodworthRepublican2ndMarch 4, 1855 – March 4, 1857[data missing]
Nicholas E. WorthingtonDemocratic10thMarch 4, 1883 – March 4, 1887[data missing]
Richard YatesWhig7thMarch 4, 1851 – March 4, 1853[data missing]
6thMarch 4, 1853 – March 4, 1855[data missing]
Richard Yates Jr.RepublicanAt-largeMarch 4, 1919 – March 4, 1933[data missing]
Sidney R. YatesDemocratic9thJanuary 3, 1949 – January 3, 1963[data missing]
January 3, 1965 – January 3, 1999[data missing]
Samuel H. YoungRepublican10thJanuary 3, 1973 – January 3, 1975[data missing]
Timothy R. YoungDemocratic3rdMarch 4, 1849 – March 4, 1851[data missing]

See also edit

References edit