U.S. House · Historical · Illinois
Former U.S. Representatives from Illinois
U.S. representatives who have served from Illinois, grouped by congressional district. Open a district to see the seat’s lineage of members, or switch between the card grid and the compact list.
At-Large24
At-Large seat →- Former U.S. RepresentativeBenjamin StephensonIllinois1813–1817
- Former U.S. RepresentativeEdwin ChampionIllinoisDemocratic1937–1939
- Former U.S. RepresentativeEmily DouglasIllinoisDemocratic1945–1947
- Former U.S. RepresentativeHenry RathboneIllinoisRepublican1923–1929
- Former U.S. RepresentativeJames AllenIllinoisDemocratic1853–1865
- Former U.S. RepresentativeJames MorrisonIllinoisDemocratic1855–1859
- Former U.S. RepresentativeJohn BeveridgeIllinoisRepublican1871–1873
- Former U.S. RepresentativeJohn BlackIllinoisDemocratic1893–1895
- Former U.S. RepresentativeJohn MartinIllinoisDemocratic1939–1941
- Former U.S. RepresentativeLawrence StringerIllinoisDemocratic1913–1915
- Former U.S. RepresentativeLewis LongIllinoisDemocratic1937–1939
- Former U.S. RepresentativeMartin BrennanIllinoisDemocratic1933–1937
- Former U.S. RepresentativeMichael IgoeIllinoisDemocratic1935–1937
- Former U.S. RepresentativeNathaniel PopeIllinois1815–1819
- Former U.S. RepresentativePhilip PostIllinoisRepublican1887–1897
- Former U.S. RepresentativeRichard YatesIllinoisRepublican1919–1933
- Former U.S. RepresentativeRuth McCormickIllinoisRepublican1929–1931
- Former U.S. RepresentativeShadrack BondIllinois1811–1815
- Former U.S. RepresentativeStephen DayIllinoisRepublican1941–1945
- Former U.S. RepresentativeThomas SmithIllinoisDemocratic1939–1941
- Former U.S. RepresentativeWalter NesbitIllinoisDemocratic1933–1935
- Former U.S. RepresentativeWilliam StrattonIllinoisRepublican1941–1949
- Former U.S. RepresentativeWilliam WilliamsIllinoisDemocratic1899–1917
- Former U.S. RepresentativeWinnifred HuckIllinoisRepublican1921–1923
District 123
District 1 seat →- Former U.S. RepresentativeAbner TaylorIllinoisRepublican1889–1893
- Former U.S. RepresentativeAdam SnyderIllinoisDemocratic1837–1839
- Former U.S. RepresentativeArthur MitchellIllinoisDemocratic1935–1943
- Former U.S. RepresentativeBennett StewartIllinoisDemocratic1979–1981
- Former U.S. RepresentativeBernard CaulfieldIllinoisDemocratic1873–1877
- Former U.S. RepresentativeBobby RushIllinoisDemocratic1993–2023
- Former U.S. RepresentativeCharles HayesIllinoisDemocratic1983–1993
- Former U.S. RepresentativeCharles SladeIllinoisJackson1833–1835
- Former U.S. RepresentativeDaniel CookIllinoisAdams1821–1827
- Former U.S. RepresentativeHarold WashingtonIllinoisDemocratic1981–1985
- Former U.S. RepresentativeIsaac ArnoldIllinoisRepublican1861–1865
- Former U.S. RepresentativeJames AldrichIllinoisRepublican1893–1897
- Former U.S. RepresentativeJohn ReynoldsIllinoisDemocratic1833–1843
- Former U.S. RepresentativeJohn RiceIllinoisRepublican1873–1875
- Former U.S. RepresentativeJohn WentworthIllinoisRepublican1843–1867
- Former U.S. RepresentativeMartin EmerichIllinoisDemocratic1903–1905
- Former U.S. RepresentativeMartin MaddenIllinoisRepublican1905–1929
- Former U.S. RepresentativeNorman JuddIllinoisRepublican1867–1871
- Former U.S. RepresentativeOscar De PriestIllinoisRepublican1929–1935
- Former U.S. RepresentativeRalph MetcalfeIllinoisDemocratic1971–1979
- Former U.S. RepresentativeRansom DunhamIllinoisRepublican1883–1889
- Former U.S. RepresentativeWilliam AldrichIllinoisRepublican1877–1883
- Former U.S. RepresentativeWilliam DawsonIllinoisDemocratic1943–1971
District 219
District 2 seat →- Former U.S. RepresentativeBarratt O’HaraIllinoisDemocratic1949–1969
- Former U.S. RepresentativeCarter HarrisonIllinoisDemocratic1875–1879
- Former U.S. RepresentativeFrank LawlerIllinoisDemocratic1885–1891
- Former U.S. RepresentativeGus SavageIllinoisDemocratic1981–1993
- Former U.S. RepresentativeJames MannIllinoisRepublican1897–1923
- Former U.S. RepresentativeJames WoodworthIllinoisInd. Republican-Democrat1855–1857
- Former U.S. RepresentativeJasper WardIllinoisRepublican1873–1875
- Former U.S. RepresentativeJesse Jackson Jr.IllinoisDemocratic1995–2012
- Former U.S. RepresentativeJohn FarnsworthIllinoisRepublican1857–1873
- Former U.S. RepresentativeJohn FeelyIllinoisDemocratic1901–1903
- Former U.S. RepresentativeJohn FinertyIllinoisInd. Democrat1883–1885
- Former U.S. RepresentativeMel ReynoldsIllinoisDemocratic1993–1995
- Former U.S. RepresentativeMorgan MurphyIllinoisDemocratic1971–1981
- Former U.S. RepresentativeMorton HullIllinoisRepublican1923–1933
- Former U.S. RepresentativePatrick MoynihanIllinoisRepublican1933–1935
- Former U.S. RepresentativeRaymond McKeoughIllinoisDemocratic1935–1943
- Former U.S. RepresentativeRichard VailIllinoisRepublican1947–1953
- Former U.S. RepresentativeWilliam RowanIllinoisDemocratic1943–1947
- Former U.S. RepresentativeZadok CaseyIllinoisInd. Democrat1833–1843
District 327
District 3 seat →- Former U.S. RepresentativeAllan Durborow Jr.IllinoisDemocratic1891–1895
- Former U.S. RepresentativeDaniel LipinskiIllinoisDemocratic2005–2021
- Former U.S. RepresentativeEdward KellyIllinoisDemocratic1931–1947
- Former U.S. RepresentativeElihu WashburneIllinoisRepublican1853–1871
- Former U.S. RepresentativeElliott SproulIllinoisRepublican1921–1931
- Former U.S. RepresentativeEmmet ByrneIllinoisRepublican1957–1959
- Former U.S. RepresentativeFred BusbeyIllinoisRepublican1943–1955
- Former U.S. RepresentativeGeorge DavisIllinoisRepublican1879–1885
- Former U.S. RepresentativeGeorge GormanIllinoisDemocratic1913–1915
- Former U.S. RepresentativeHiram Barber Jr.IllinoisRepublican1879–1881
- Former U.S. RepresentativeHugh BelknapIllinoisRepublican1895–1899
- Former U.S. RepresentativeJames MurrayIllinoisDemocratic1955–1957
- Former U.S. RepresentativeJames WardIllinoisDemocratic1885–1887
- Former U.S. RepresentativeJohn Le MoyneIllinoisDemocratic1875–1877
- Former U.S. RepresentativeJoseph DuncanIllinoisJackson1827–1835
- Former U.S. RepresentativeLawrence McGannIllinoisDemocratic1891–1897
- Former U.S. RepresentativeLorenzo BrentanoIllinoisRepublican1877–1879
- Former U.S. RepresentativeMarie NewmanIllinoisDemocratic2021–2023
- Former U.S. RepresentativeMartin RussoIllinoisDemocratic1975–1993
- Former U.S. RepresentativeNeil LinehanIllinoisDemocratic1949–1951
- Former U.S. RepresentativeOrlando FicklinIllinoisDemocratic1843–1853
- Former U.S. RepresentativeRobert HanrahanIllinoisRepublican1973–1975
- Former U.S. RepresentativeTimothy YoungIllinoisDemocratic1849–1851
- Former U.S. RepresentativeWilliam LipinskiIllinoisDemocratic1983–2005
- Former U.S. RepresentativeWilliam MayIllinoisDemocratic1833–1839
- Former U.S. RepresentativeWilliam MurphyIllinoisDemocratic1959–1971
- Former U.S. RepresentativeWilliam WilsonIllinoisRepublican1903–1921
District 427
District 4 seat →- Former U.S. RepresentativeAbner HardingIllinoisRepublican1865–1869
- Former U.S. RepresentativeCharles HarrisIllinoisDemocratic1863–1865
- Former U.S. RepresentativeCharles MartinIllinoisDemocratic1917–1919
- Former U.S. RepresentativeCharles WhartonIllinoisRepublican1905–1907
- Former U.S. RepresentativeCharles WoodmanIllinoisRepublican1895–1897
- Former U.S. RepresentativeDaniel MillsIllinoisRepublican1897–1899
- Former U.S. RepresentativeEdward DerwinskiIllinoisRepublican1959–1983
- Former U.S. RepresentativeGeorge AdamsIllinoisRepublican1883–1891
- Former U.S. RepresentativeGeorge FosterIllinoisDemocratic1899–1905
- Former U.S. RepresentativeGeorge O’BrienIllinoisRepublican1973–1987
- Former U.S. RepresentativeHarry BeamIllinoisDemocratic1931–1943
- Former U.S. RepresentativeJack DavisIllinoisRepublican1987–1989
- Former U.S. RepresentativeJames BuckleyIllinoisDemocratic1949–1951
- Former U.S. RepresentativeJames KnoxIllinoisInd. Republican-Democrat1853–1857
- Former U.S. RepresentativeJames McDermottIllinoisDemocratic1907–1917
- Former U.S. RepresentativeJohn RaineyIllinoisDemocratic1917–1925
- Former U.S. RepresentativeJohn SherwinIllinoisRepublican1879–1883
- Former U.S. RepresentativeJulius GoldzierIllinoisDemocratic1893–1895
- Former U.S. RepresentativeLuis GutiérrezIllinoisDemocratic1993–2019
- Former U.S. RepresentativeRichard MolonyIllinoisDemocratic1851–1853
- Former U.S. RepresentativeStephen HurlbutIllinoisRepublican1873–1877
- Former U.S. RepresentativeThomas CusackIllinoisDemocratic1899–1901
- Former U.S. RepresentativeThomas DoyleIllinoisDemocratic1923–1931
- Former U.S. RepresentativeWalter NewberryIllinoisDemocratic1891–1893
- Former U.S. RepresentativeWilliam KelloggIllinoisRepublican1857–1863
- Former U.S. RepresentativeWilliam LathropIllinoisRepublican1877–1879
- Former U.S. RepresentativeWilliam McVeyIllinoisRepublican1951–1959
District 518
District 5 seat →- Former U.S. RepresentativeAnthony MichalekIllinoisRepublican1905–1907
- Former U.S. RepresentativeBradford StevensIllinoisDemocratic1871–1873
- Former U.S. RepresentativeDaniel RostenkowskiIllinoisDemocratic1959–1995
- Former U.S. RepresentativeEbon IngersollIllinoisRepublican1863–1871
- Former U.S. RepresentativeEdward NoonanIllinoisDemocratic1899–1901
- Former U.S. RepresentativeGeorge WhiteIllinoisRepublican1895–1899
- Former U.S. RepresentativeHoratio BurchardIllinoisRepublican1869–1879
- Former U.S. RepresentativeIsaac MorrisIllinoisDemocratic1857–1861
- Former U.S. RepresentativeJacob DavisIllinoisDemocratic1855–1857
- Former U.S. RepresentativeJohn FaryIllinoisDemocratic1975–1983
- Former U.S. RepresentativeJohn KluczynskiIllinoisDemocratic1951–1977
- Former U.S. RepresentativeMartin GorskiIllinoisDemocratic1943–1951
- Former U.S. RepresentativeMichael FlanaganIllinoisRepublican1995–1997
- Former U.S. RepresentativeOwen LovejoyIllinoisRepublican1857–1865
- Former U.S. RepresentativeRahm EmanuelIllinoisDemocratic2003–2009
- Former U.S. RepresentativeReuben EllwoodIllinoisRepublican1883–1887
- Former U.S. RepresentativeRobert HawkIllinoisRepublican1879–1883
- Former U.S. RepresentativeRod BlagojevichIllinoisDemocratic1997–2003
District 623
District 6 seat →- Former U.S. RepresentativeAnton MaciejewskiIllinoisDemocratic1939–1943
- Former U.S. RepresentativeBurton CookIllinoisRepublican1865–1873
- Former U.S. RepresentativeCharles HodgesIllinoisDemocratic1857–1859
- Former U.S. RepresentativeDaniel RonanIllinoisDemocratic1965–1969
- Former U.S. RepresentativeEdmund StackIllinoisDemocratic1911–1913
- Former U.S. RepresentativeEdward CookeIllinoisRepublican1895–1899
- Former U.S. RepresentativeGeorge CollinsIllinoisDemocratic1970–1972
- Former U.S. RepresentativeHarold CollierIllinoisRepublican1957–1975
- Former U.S. RepresentativeHenry HydeIllinoisRepublican1975–2007
- Former U.S. RepresentativeHenry SnappIllinoisRepublican1871–1873
- Former U.S. RepresentativeJames BuckleyIllinoisDemocratic1923–1925
- Former U.S. RepresentativeJames IgoeIllinoisDemocratic1927–1933
- Former U.S. RepresentativeJesse NortonIllinoisRepublican1853–1865
- Former U.S. RepresentativeJohn GormanIllinoisRepublican1921–1927
- Former U.S. RepresentativeJohn HawleyIllinoisRepublican1869–1875
- Former U.S. RepresentativeJohn McClernandIllinoisDemocratic1843–1863
- Former U.S. RepresentativeJoseph HogeIllinoisDemocratic1843–1847
- Former U.S. RepresentativePeter RoskamIllinoisRepublican2007–2019
- Former U.S. RepresentativeThomas HarrisIllinoisDemocratic1849–1859
- Former U.S. RepresentativeThomas O’BrienIllinoisDemocratic1933–1965
- Former U.S. RepresentativeThomas TurnerIllinoisDemocratic1847–1849
- Former U.S. RepresentativeThompson CampbellIllinoisDemocratic1851–1853
- Former U.S. RepresentativeWilliam MoxleyIllinoisRepublican1909–1911
District 721
District 7 seat →- Former U.S. RepresentativeAbraham LincolnIllinoisWhig1847–1849
- Former U.S. RepresentativeAdolph SabathIllinoisDemocratic1907–1953
- Former U.S. RepresentativeAlexander CampbellIllinoisIndependent1875–1877
- Former U.S. RepresentativeCardiss CollinsIllinoisDemocratic1973–1997
- Former U.S. RepresentativeFrank BuchananIllinoisDemocratic1911–1917
- Former U.S. RepresentativeFranklin CorwinIllinoisRepublican1873–1875
- Former U.S. RepresentativeFrederick LundinIllinoisRepublican1909–1911
- Former U.S. RepresentativeHenry BromwellIllinoisRepublican1865–1869
- Former U.S. RepresentativeJames BowlerIllinoisDemocratic1953–1959
- Former U.S. RepresentativeJesse MooreIllinoisRepublican1869–1873
- Former U.S. RepresentativeJohn HardinIllinoisWhig1843–1845
- Former U.S. RepresentativeJohn HenryIllinoisWhig1845–1847
- Former U.S. RepresentativeLeonard SchuetzIllinoisDemocratic1931–1945
- Former U.S. RepresentativeMagne MichaelsonIllinoisRepublican1921–1931
- Former U.S. RepresentativeNiels JuulIllinoisRepublican1917–1921
- Former U.S. RepresentativePhilip HayesIllinoisRepublican1877–1881
- Former U.S. RepresentativePhilip KnopfIllinoisRepublican1903–1909
- Former U.S. RepresentativeRoland LibonatiIllinoisDemocratic1957–1965
- Former U.S. RepresentativeThomas HendersonIllinoisRepublican1875–1895
- Former U.S. RepresentativeThomas OwensIllinoisRepublican1947–1949
- Former U.S. RepresentativeWilliam LinkIllinoisDemocratic1945–1947
District 820
District 8 seat →- Former U.S. RepresentativeCharles HillIllinoisRepublican1889–1891
- Former U.S. RepresentativeCharles McGavinIllinoisRepublican1905–1909
- Former U.S. RepresentativeGreenbury FortIllinoisRepublican1873–1881
- Former U.S. RepresentativeJoe WalshIllinoisRepublican2011–2013
- Former U.S. RepresentativeJohn StuartIllinoisDemocratic1839–1865
- Former U.S. RepresentativeLeo KocialkowskiIllinoisDemocratic1933–1943
- Former U.S. RepresentativeLewis StewardIllinoisDemocratic1891–1893
- Former U.S. RepresentativeMelissa BeanIllinoisDemocratic2005–2011
- Former U.S. RepresentativePeter GranataIllinoisRepublican1931–1933
- Former U.S. RepresentativePhil CraneIllinoisRepublican1969–2005
- Former U.S. RepresentativePhilip FoukeIllinoisDemocratic1859–1863
- Former U.S. RepresentativeRalph PlumbIllinoisRepublican1885–1889
- Former U.S. RepresentativeRobert ChildsIllinoisRepublican1893–1895
- Former U.S. RepresentativeRobert SmithIllinoisDemocratic1843–1859
- Former U.S. RepresentativeStanley KunzIllinoisDemocratic1921–1933
- Former U.S. RepresentativeThomas GallagherIllinoisDemocratic1909–1921
- Former U.S. RepresentativeThomas GordonIllinoisDemocratic1943–1959
- Former U.S. RepresentativeWilliam BissellIllinoisInd. Democrat1849–1855
- Former U.S. RepresentativeWilliam CullenIllinoisRepublican1881–1885
- Former U.S. RepresentativeWilliam MahoneyIllinoisDemocratic1901–1905
District 919
District 9 seat →- Former U.S. RepresentativeAlexander ResaIllinoisDemocratic1945–1947
- Former U.S. RepresentativeCharles DeweyIllinoisRepublican1941–1945
- Former U.S. RepresentativeEdward FinneganIllinoisDemocratic1961–1965
- Former U.S. RepresentativeFrederick BrittenIllinoisRepublican1913–1935
- Former U.S. RepresentativeGranville BarrereIllinoisRepublican1873–1875
- Former U.S. RepresentativeHamilton WheelerIllinoisRepublican1893–1895
- Former U.S. RepresentativeHenry BoutellIllinoisRepublican1897–1911
- Former U.S. RepresentativeHerman SnowIllinoisDemocratic1891–1893
- Former U.S. RepresentativeJames McAndrewsIllinoisDemocratic1901–1941
- Former U.S. RepresentativeJohn LewisIllinoisRepublican1881–1883
- Former U.S. RepresentativeLewis PaysonIllinoisRepublican1881–1891
- Former U.S. RepresentativeLewis RossIllinoisDemocratic1863–1869
- Former U.S. RepresentativeLynden EvansIllinoisDemocratic1911–1913
- Former U.S. RepresentativeRichard WhitingIllinoisRepublican1875–1877
- Former U.S. RepresentativeRobert TwymanIllinoisRepublican1947–1949
- Former U.S. RepresentativeSidney YatesIllinoisDemocratic1949–1999
- Former U.S. RepresentativeThomas BoydIllinoisRepublican1877–1881
- Former U.S. RepresentativeThompson McNeelyIllinoisDemocratic1869–1873
- Former U.S. RepresentativeWillis AllenIllinoisDemocratic1851–1855
District 1017
District 10 seat →- Former U.S. RepresentativeAbner MikvaIllinoisDemocratic1969–1981
- Former U.S. RepresentativeAlbert BurrIllinoisDemocratic1867–1871
- Former U.S. RepresentativeAnthony KnappIllinoisDemocratic1861–1865
- Former U.S. RepresentativeAnthony ThorntonIllinoisDemocratic1865–1867
- Former U.S. RepresentativeBob DoldIllinoisRepublican2011–2017
- Former U.S. RepresentativeCarl ChindblomIllinoisRepublican1919–1933
- Former U.S. RepresentativeCharles ThomsonIllinoisProgressive1913–1915
- Former U.S. RepresentativeEdward RiceIllinoisDemocratic1871–1873
- Former U.S. RepresentativeGeorge FossIllinoisRepublican1895–1919
- Former U.S. RepresentativeGeorge PaddockIllinoisRepublican1941–1943
- Former U.S. RepresentativeJames Simpson Jr.IllinoisRepublican1933–1935
- Former U.S. RepresentativeJohn BagbyIllinoisDemocratic1875–1877
- Former U.S. RepresentativeJohn PorterIllinoisRepublican1979–2001
- Former U.S. RepresentativeNicholas WorthingtonIllinoisDemocratic1883–1887
- Former U.S. RepresentativeRichard HoffmanIllinoisRepublican1949–1957
- Former U.S. RepresentativeSamuel YoungIllinoisRepublican1973–1975
- Former U.S. RepresentativeWilliam RayIllinoisRepublican1873–1875
District 1116
District 11 seat →- Former U.S. RepresentativeBenjamin CableIllinoisDemocratic1891–1893
- Former U.S. RepresentativeChester ChesneyIllinoisDemocratic1949–1951
- Former U.S. RepresentativeDeborah HalvorsonIllinoisDemocratic2009–2011
- Former U.S. RepresentativeFrank AnnunzioIllinoisDemocratic1965–1993
- Former U.S. RepresentativeFrank ReidIllinoisRepublican1923–1935
- Former U.S. RepresentativeGeorge SangmeisterIllinoisDemocratic1989–1995
- Former U.S. RepresentativeHoward SnappIllinoisRepublican1903–1911
- Former U.S. RepresentativeIra CopleyIllinoisRepublican1911–1923
- Former U.S. RepresentativeJames SingletonIllinoisDemocratic1879–1883
- Former U.S. RepresentativeJerry WellerIllinoisRepublican1995–2009
- Former U.S. RepresentativeRobert KnappIllinoisDemocratic1873–1879
- Former U.S. RepresentativeRoman PucinskiIllinoisDemocratic1959–1973
- Former U.S. RepresentativeTimothy SheehanIllinoisRepublican1951–1959
- Former U.S. RepresentativeWalter ReevesIllinoisRepublican1895–1903
- Former U.S. RepresentativeWilliam GestIllinoisRepublican1887–1891
- Former U.S. RepresentativeWilliam NeeceIllinoisDemocratic1883–1887
District 1213
District 12 seat →- Former U.S. RepresentativeCharles BoyleIllinoisDemocratic1955–1961
- Former U.S. RepresentativeCharles FullerIllinoisRepublican1903–1927
- Former U.S. RepresentativeEdgar JonasIllinoisRepublican1949–1955
- Former U.S. RepresentativeGeorge AndersonIllinoisDemocratic1887–1889
- Former U.S. RepresentativeJames RiggsIllinoisDemocratic1883–1887
- Former U.S. RepresentativeJames RobinsonIllinoisDemocratic1859–1875
- Former U.S. RepresentativeJerry CostelloIllinoisDemocratic1988–2013
- Former U.S. RepresentativeJohn BuckbeeIllinoisRepublican1927–1937
- Former U.S. RepresentativeJohn HayIllinoisRepublican1869–1873
- Former U.S. RepresentativeJohn McDannoldIllinoisDemocratic1893–1895
- Former U.S. RepresentativeScott WikeIllinoisDemocratic1875–1893
- Former U.S. RepresentativeWilliam EnyartIllinoisDemocratic2013–2015
- Former U.S. RepresentativeWilliam HinebaughIllinoisProgressive1913–1915
District 1321
District 13 seat →- Former U.S. RepresentativeAdlai StevensonIllinoisDemocratic1875–1881
- Former U.S. RepresentativeAndrew KuykendallIllinoisRepublican1865–1867
- Former U.S. RepresentativeDietrich SmithIllinoisRepublican1881–1883
- Former U.S. RepresentativeDonald RumsfeldIllinoisRepublican1963–1971
- Former U.S. RepresentativeFrank LowdenIllinoisRepublican1905–1911
- Former U.S. RepresentativeGreen RaumIllinoisRepublican1867–1869
- Former U.S. RepresentativeHarris FawellIllinoisRepublican1985–1999
- Former U.S. RepresentativeJohn CrebsIllinoisDemocratic1869–1873
- Former U.S. RepresentativeJohn ErlenbornIllinoisRepublican1965–1985
- Former U.S. RepresentativeJohn McKenzieIllinoisRepublican1911–1925
- Former U.S. RepresentativeJohn McNultaIllinoisRepublican1873–1875
- Former U.S. RepresentativeJudy BiggertIllinoisRepublican1999–2013
- Former U.S. RepresentativeMarguerite ChurchIllinoisRepublican1951–1963
- Former U.S. RepresentativeRalph ChurchIllinoisRepublican1935–1951
- Former U.S. RepresentativeRobert HittIllinoisRepublican1881–1907
- Former U.S. RepresentativeRobert McCloryIllinoisRepublican1963–1983
- Former U.S. RepresentativeRodney DavisIllinoisRepublican2013–2023
- Former U.S. RepresentativeThomas TiptonIllinoisRepublican1877–1879
- Former U.S. RepresentativeWilliam AllenIllinoisDemocratic1861–1865
- Former U.S. RepresentativeWilliam JohnsonIllinoisRepublican1925–1933
- Former U.S. RepresentativeWilliam SpringerIllinoisDemocratic1875–1895
District 1417
District 14 seat →- Former U.S. RepresentativeAnton JohnsonIllinoisRepublican1939–1949
- Former U.S. RepresentativeBenjamin FunkIllinoisRepublican1893–1895
- Former U.S. RepresentativeBenjamin MarshIllinoisRepublican1877–1907
- Former U.S. RepresentativeChauncey ReedIllinoisRepublican1935–1957
- Former U.S. RepresentativeChester ThompsonIllinoisDemocratic1933–1939
- Former U.S. RepresentativeClyde TavennerIllinoisDemocratic1913–1917
- Former U.S. RepresentativeDenny HastertIllinoisRepublican1987–2007
- Former U.S. RepresentativeElmer HoffmanIllinoisRepublican1959–1965
- Former U.S. RepresentativeJames McKinneyIllinoisRepublican1905–1913
- Former U.S. RepresentativeJohn AllenIllinoisRepublican1925–1933
- Former U.S. RepresentativeJohn GrotbergIllinoisRepublican1985–1987
- Former U.S. RepresentativeJonathan RowellIllinoisRepublican1883–1891
- Former U.S. RepresentativeOwen ScottIllinoisDemocratic1891–1893
- Former U.S. RepresentativeRandy HultgrenIllinoisRepublican2011–2019
- Former U.S. RepresentativeRussell KeeneyIllinoisRepublican1957–1959
- Former U.S. RepresentativeThomas CorcoranIllinoisRepublican1977–1985
- Former U.S. RepresentativeWilliam GrahamIllinoisRepublican1917–1925
District 1518
District 15 seat →- Former U.S. RepresentativeAlbert ForsytheIllinoisNational Greenbacker1879–1881
- Former U.S. RepresentativeBurnett ChiperfieldIllinoisRepublican1915–1933
- Former U.S. RepresentativeCharlotte ReidIllinoisRepublican1963–1973
- Former U.S. RepresentativeCliffard CarlsonIllinoisRepublican1971–1973
- Former U.S. RepresentativeEdward KingIllinoisRepublican1915–1929
- Former U.S. RepresentativeEdward MadiganIllinoisRepublican1973–1991
- Former U.S. RepresentativeGeorge PrinceIllinoisRepublican1895–1913
- Former U.S. RepresentativeJ. MickeyIllinoisDemocratic1901–1903
- Former U.S. RepresentativeJackson AdairIllinoisDemocratic1933–1937
- Former U.S. RepresentativeJohn ShimkusIllinoisRepublican1997–2021
- Former U.S. RepresentativeLeslie ArendsIllinoisRepublican1935–1975
- Former U.S. RepresentativeLewis BoyerIllinoisDemocratic1937–1939
- Former U.S. RepresentativeNoah MasonIllinoisRepublican1937–1963
- Former U.S. RepresentativeSamuel BuseyIllinoisDemocratic1891–1893
- Former U.S. RepresentativeStephen HoxworthIllinoisDemocratic1913–1915
- Former U.S. RepresentativeThomas EwingIllinoisRepublican1991–2001
- Former U.S. RepresentativeTim HallIllinoisDemocratic1975–1977
- Former U.S. RepresentativeTimothy JohnsonIllinoisRepublican2001–2013
District 1619
District 16 seat →- Former U.S. RepresentativeAaron ShawIllinoisDemocratic1857–1885
- Former U.S. RepresentativeAdam KinzingerIllinoisRepublican2011–2023
- Former U.S. RepresentativeClaudius StoneIllinoisDemocratic1911–1917
- Former U.S. RepresentativeClifford IrelandIllinoisRepublican1917–1923
- Former U.S. RepresentativeDonald ManzulloIllinoisRepublican1993–2013
- Former U.S. RepresentativeFinis DowningIllinoisDemocratic1895–1897
- Former U.S. RepresentativeGeorge FithianIllinoisDemocratic1889–1895
- Former U.S. RepresentativeJames MartinIllinoisRepublican1873–1875
- Former U.S. RepresentativeJohn AndersonIllinoisRepublican1961–1981
- Former U.S. RepresentativeJohn Cox Jr.IllinoisDemocratic1991–1993
- Former U.S. RepresentativeJohn RinakerIllinoisRepublican1895–1897
- Former U.S. RepresentativeJoseph GraffIllinoisRepublican1895–1911
- Former U.S. RepresentativeLeo AllenIllinoisRepublican1933–1961
- Former U.S. RepresentativeLynn MartinIllinoisRepublican1981–1991
- Former U.S. RepresentativeSilas LandesIllinoisDemocratic1885–1889
- Former U.S. RepresentativeThomas SelbyIllinoisDemocratic1901–1903
- Former U.S. RepresentativeWilliam HinrichsenIllinoisDemocratic1897–1899
- Former U.S. RepresentativeWilliam HullIllinoisRepublican1923–1933
- Former U.S. RepresentativeWilliam SparksIllinoisDemocratic1875–1883
District 1714
District 17 seat →- Former U.S. RepresentativeBobby SchillingIllinoisRepublican2011–2013
- Former U.S. RepresentativeCheri BustosIllinoisDemocratic2013–2023
- Former U.S. RepresentativeEdward LaneIllinoisDemocratic1887–1895
- Former U.S. RepresentativeFrank FunkIllinoisRepublican1921–1927
- Former U.S. RepresentativeFrank SmithIllinoisRepublican1919–1921
- Former U.S. RepresentativeHomer HallIllinoisRepublican1927–1933
- Former U.S. RepresentativeJames ConnollyIllinoisRepublican1895–1899
- Former U.S. RepresentativeJames GillespieIllinoisDemocratic1933–1935
- Former U.S. RepresentativeJohn EdenIllinoisDemocratic1863–1887
- Former U.S. RepresentativeJohn SterlingIllinoisRepublican1903–1919
- Former U.S. RepresentativeLane EvansIllinoisDemocratic1983–2007
- Former U.S. RepresentativeLouis FitzhenryIllinoisDemocratic1913–1915
- Former U.S. RepresentativePhil HareIllinoisDemocratic2007–2011
- Former U.S. RepresentativeSamuel MoultonIllinoisDemocratic1865–1885
District 1816
District 18 seat →- Former U.S. RepresentativeAaron SchockIllinoisRepublican2009–2015
- Former U.S. RepresentativeFrank O’HairIllinoisDemocratic1913–1915
- Former U.S. RepresentativeFrederick RemannIllinoisRepublican1895–1897
- Former U.S. RepresentativeHarold VeldeIllinoisRepublican1949–1957
- Former U.S. RepresentativeIsaac ClementsIllinoisRepublican1873–1875
- Former U.S. RepresentativeJames MeeksIllinoisDemocratic1933–1939
- Former U.S. RepresentativeJessie SumnerIllinoisRepublican1939–1947
- Former U.S. RepresentativeJoseph CannonIllinoisRepublican1873–1923
- Former U.S. RepresentativeRay LaHoodIllinoisRepublican1995–2009
- Former U.S. RepresentativeRobert MichelIllinoisRepublican1957–1995
- Former U.S. RepresentativeThomas JettIllinoisDemocratic1897–1903
- Former U.S. RepresentativeWilliam FormanIllinoisDemocratic1889–1895
- Former U.S. RepresentativeWilliam HadleyIllinoisRepublican1895–1897
- Former U.S. RepresentativeWilliam HartzellIllinoisDemocratic1875–1879
- Former U.S. RepresentativeWilliam HoladayIllinoisRepublican1923–1933
- Former U.S. RepresentativeWilliam MorrisonIllinoisDemocratic1863–1887
District 1920
District 19 seat →- Former U.S. RepresentativeAllen MooreIllinoisRepublican1921–1925
- Former U.S. RepresentativeAndrew HunterIllinoisDemocratic1893–1899
- Former U.S. RepresentativeBenson WoodIllinoisRepublican1895–1897
- Former U.S. RepresentativeCharles AdkinsIllinoisRepublican1925–1933
- Former U.S. RepresentativeCharles BorchersIllinoisDemocratic1913–1915
- Former U.S. RepresentativeDaniel CraneIllinoisRepublican1979–1985
- Former U.S. RepresentativeDarwin SchislerIllinoisDemocratic1965–1967
- Former U.S. RepresentativeDavid PhelpsIllinoisDemocratic1999–2003
- Former U.S. RepresentativeDonald DobbinsIllinoisDemocratic1933–1937
- Former U.S. RepresentativeGlenn PoshardIllinoisDemocratic1989–1999
- Former U.S. RepresentativeHugh RigneyIllinoisDemocratic1937–1939
- Former U.S. RepresentativeRichard TownshendIllinoisDemocratic1877–1891
- Former U.S. RepresentativeRobert ChiperfieldIllinoisRepublican1939–1963
- Former U.S. RepresentativeRobert McLoskeyIllinoisRepublican1963–1965
- Former U.S. RepresentativeSamuel MarshallIllinoisDemocratic1855–1875
- Former U.S. RepresentativeTerry BruceIllinoisDemocratic1985–1993
- Former U.S. RepresentativeThomas RailsbackIllinoisRepublican1967–1983
- Former U.S. RepresentativeVespasian WarnerIllinoisRepublican1895–1905
- Former U.S. RepresentativeWilliam AndersonIllinoisIndependent1875–1877
- Former U.S. RepresentativeWilliam WheatIllinoisRepublican1939–1945
District 209
District 20 seat →- Former U.S. RepresentativeEdna SimpsonIllinoisRepublican1959–1961
- Former U.S. RepresentativeGuy ShawIllinoisRepublican1921–1923
- Former U.S. RepresentativeHenry RaineyIllinoisDemocratic1903–1935
- Former U.S. RepresentativeJames BarnesIllinoisDemocratic1939–1943
- Former U.S. RepresentativeJames CampbellIllinoisDemocratic1897–1899
- Former U.S. RepresentativeJohn ThomasIllinoisRepublican1879–1889
- Former U.S. RepresentativeOrlando BurrellIllinoisRepublican1895–1897
- Former U.S. RepresentativePaul FindleyIllinoisRepublican1961–1983
- Former U.S. RepresentativeSidney SimpsonIllinoisRepublican1943–1959
District 2114
District 21 seat →- Former U.S. RepresentativeBen CaldwellIllinoisDemocratic1899–1909
- Former U.S. RepresentativeCharles PriceIllinoisDemocratic1945–1988
- Former U.S. RepresentativeEverett MurphyIllinoisRepublican1895–1897
- Former U.S. RepresentativeFrank FriesIllinoisDemocratic1937–1941
- Former U.S. RepresentativeFrank RameyIllinoisRepublican1929–1931
- Former U.S. RepresentativeFrederick KernIllinoisDemocratic1901–1903
- Former U.S. RepresentativeGeorge HowellIllinoisRepublican1941–1949
- Former U.S. RepresentativeHarry MasonIllinoisDemocratic1935–1937
- Former U.S. RepresentativeJames GrahamIllinoisDemocratic1909–1915
- Former U.S. RepresentativeJames MajorIllinoisDemocratic1923–1935
- Former U.S. RepresentativeJehu BakerIllinoisDemocratic1865–1899
- Former U.S. RepresentativeLoren WheelerIllinoisRepublican1915–1927
- Former U.S. RepresentativePeter Mack Jr.IllinoisDemocratic1949–1963
- Former U.S. RepresentativeZeno RivesIllinoisRepublican1905–1907
District 2211
District 22 seat →- Former U.S. RepresentativeCalvin JohnsonIllinoisRepublican1943–1945
- Former U.S. RepresentativeCharles KarchIllinoisDemocratic1931–1933
- Former U.S. RepresentativeEdward IrwinIllinoisRepublican1925–1931
- Former U.S. RepresentativeEdward MillerIllinoisRepublican1923–1925
- Former U.S. RepresentativeEdwin SchaeferIllinoisDemocratic1933–1943
- Former U.S. RepresentativeGeorge ShipleyIllinoisDemocratic1959–1979
- Former U.S. RepresentativeKenneth GrayIllinoisDemocratic1955–1989
- Former U.S. RepresentativeRolla McMillenIllinoisRepublican1943–1951
- Former U.S. RepresentativeWilliam BaltzIllinoisDemocratic1913–1915
- Former U.S. RepresentativeWilliam RodenbergIllinoisRepublican1899–1923
- Former U.S. RepresentativeWilliam SpringerIllinoisRepublican1951–1973
District 238
District 23 seat →- Former U.S. RepresentativeCharles VursellIllinoisRepublican1943–1959
- Former U.S. RepresentativeEdward JenisonIllinoisRepublican1947–1953
- Former U.S. RepresentativeEdwin BrooksIllinoisRepublican1919–1923
- Former U.S. RepresentativeFrank DicksonIllinoisRepublican1905–1907
- Former U.S. RepresentativeJoseph CrowleyIllinoisDemocratic1899–1905
- Former U.S. RepresentativeLaurence ArnoldIllinoisDemocratic1937–1943
- Former U.S. RepresentativeMartin FosterIllinoisDemocratic1907–1919
- Former U.S. RepresentativeWilliam ArnoldIllinoisDemocratic1923–1937
District 247
District 24 seat →- Former U.S. RepresentativeClaude ParsonsIllinoisDemocratic1929–1941
- Former U.S. RepresentativeHiram FowlerIllinoisDemocratic1911–1915
- Former U.S. RepresentativeJames HeidingerIllinoisRepublican1941–1947
- Former U.S. RepresentativeJames WilliamsIllinoisDemocratic1889–1905
- Former U.S. RepresentativePleasant ChapmanIllinoisRepublican1905–1911
- Former U.S. RepresentativeRoy ClippingerIllinoisRepublican1945–1949
- Former U.S. RepresentativeThomas WilliamsIllinoisRepublican1915–1931
District 255
District 25 seat →- Former U.S. RepresentativeEdward DenisonIllinoisRepublican1915–1931
- Former U.S. RepresentativeGeorge SmithIllinoisRepublican1889–1909
- Former U.S. RepresentativeKent KellerIllinoisDemocratic1931–1941
- Former U.S. RepresentativeNapoleon ThistlewoodIllinoisRepublican1907–1913
- Former U.S. RepresentativeRunt BishopIllinoisRepublican1941–1955