Executive Branch of Illinois
Governor of Illinois
Joel Aldrich Matteson
Date of birth/date of death: b. August 8 1808; d. January 31 1873.
Democratic Party
1853 – 1857
William Henry Bissell
Date of birth/date of death: b. April 25 1811; d. March 18 1860.
Republican Party
1857 – 1860
Richard Yates
Date of birth/date of death: b. January 18 1815; d. November 27 1873.
Republican Party
1861 – 1865
Richard James Oglesby
Date of birth/date of death: b. July 25 1824; d. April 24 1899.
Republican Party
1865 – 1869
John McAuley Palmer
Date of birth/date of death: b. September 13 1817; d. September 25 1900.
Republican Party (1869 – 1870); Liberal Republican Party (1870 – 1872); Democratic Party (1872 – 1873)
1869 – 1873
Richard James Oglesby
Date of birth/date of death: b. July 25 1824; d. April 24 1899.
Republican Party
1873
Shelby Moore Cullom
Date of birth/date of death: b. November 22 1829; d. January 28 1914.
Republican Party
1877 – 1883
Richard James Oglesby
Date of birth/date of death: b. July 25 1824; d. April 24 1899.
Republican Party
1885 – 1889
John Peter Altgeld
Date of birth/date of death: b. December 30 1847; d. March 12 1902.
Democratic Party
1893 – 1897
Edward Fitzsimmons Dunne
Date of birth/date of death: b. October 12 1853; d. May 24 1937.
Democratic Party
1913 – 1917
Frank Orren Lowden
Date of birth/date of death: b. January 26 1861; d. March 20 1943.
Republican Party
1917 – 1921
Adlai Ewing Stevenson II
Date of birth/date of death: b. February 5 1900; d. July 14 1965.
Democratic Party
1949 – 1953
Otto Kerner, Jr.
Date of birth/date of death: b. August 15 1908; d. May 9 1976.
Democratic Party
1961 – 1968
George Homer Ryan
Date of birth/date of death: b. February 24 1934; d. May 2 2025.
Republican Party
1999 – 2003
Rod R. Blagojevich
Date of birth/date of death: b. December 10 1956.
Democratic Party
2003 – 2009
Lieutenant Governor of Illinois
Zadok Casey
Date of birth/date of death: b. March 7 1796; d. September 4 1862.
Democratic Party
1830 – 1833
William J. Bross
Date of birth/date of death: b. November 4 1813; d. January 27 1890.
Republican Party
1865 – 1869
Paul Martin Simon
Date of birth/date of death: b. November 29 1928; d. December 9 2003.
Democratic Party
1969 – 1973
George Homer Ryan
Date of birth/date of death: b. February 24 1934; d. May 2 2025.
Republican Party
1983 – 1991
Government of Illinois
Secretary of State of Illinois
Stephen Arnold Douglas
Date of birth/date of death: b. April 23 1813; d. June 3 1861.
Democratic Party
1840 – 1841
Lyman Trumbull
Date of birth/date of death: b. October 12 1813; d. June 25 1896.
Democratic Party
1841 – 1843
Lewis Green Stevenson
Date of birth/date of death: b. August 15 1868; d. April 5 1929.
Democratic Party
1914 – 1917
George Homer Ryan
Date of birth/date of death: b. February 24 1934; d. May 2 2025.
Republican Party
1991 – 1999
Alexander “Alexi” Giannoulias
Date of birth/date of death: b. March 16 1976.
Democratic Party
2023 – present
Attorney General of Illinois
Roland Wallace Burris
Date of birth/date of death: b. August 3 1937.
Democratic Party
1991 – 1995
Lisa Murray Madigan
Date of birth/date of death: b. July 30 1966.
Democratic Party
2003 – 2019
Kwame Raoul
Date of birth/date of death: b. September 30 1964.
Democratic Party
2019 – present
Treasurer of Illinois
Adlai Ewing Stevenson III
Date of birth/date of death: b. October 10 1930; September 6 2021.
Democratic Party
1967 – 1970
Alexander “Alexi” Giannoulias
Date of birth/date of death: b. March 16 1976.
Democratic Party
2007 – 2011
Legislature of Illinois
Illinois State Senate
President of the Illinois State Senate
Emil Jones, Jr.
Date of birth/date of death: b. October 18 1935.
Democratic Party
2003 – 2009
Minority Leader of the Illinois State Senate
Richard Joseph Daley
Date of birth/date of death: b. May 15 1902; d. December 20 1976.
Democratic Party
1943 – 1947
Emil Jones, Jr.
Date of birth/date of death: b. October 18 1935.
Democratic Party
1993 – 2003
Illinois State House of Representatives
Speaker of the Illinois State House of Representatives
William Alexander Richardson
Date of birth/date of death: b. January 16 1811; d. December 27 1875.
Democratic Party
1842 – 1844
Zadok Casey
Date of birth/date of death: b. March 7 1796; d. September 4 1862.
Democratic Party
1849 – 1851
Shelby Moore Cullom
Date of birth/date of death: b. November 22 1829; d. January 28 1914.
Republican Party
1861 – 1863
Shelby Moore Cullom
Date of birth/date of death: b. November 22 1829; d. January 28 1914.
Republican Party
1873 – 1875
Ralph Tyler Smith
Date of birth/date of death: b. October 6 1915; d. August 13 1972.
Republican Party
1967 – 1969
George Homer Ryan
Date of birth/date of death: b. February 24 1934; d. May 2 2025.
Republican Party
1981 – 1983
Michael Joseph “Mike” Madigan
Date of birth/date of death: b. April 19 1942.
Democratic Party
1983 – 1995
Michael Joseph “Mike” Madigan
Date of birth/date of death: b. April 19 1942.
Democratic Party
1997 – 2021
Majority Leader of the Illinois State House of Representatives
Henry John Hyde
Date of birth/date of death: b. April 18 1924; d. November 29 2007.
Republican Party
1971 – 1973
Michael Joseph “Mike” Madigan
Date of birth/date of death: b. April 19 1942.
Democratic Party
1977 – 1981
Minority Leader of the Illinois State House of Representatives
George Homer Ryan
Date of birth/date of death: b. February 24 1934; d. May 2 2025.
Republican Party
1977 – 1981
Michael Joseph “Mike” Madigan
Date of birth/date of death: b. April 19 1942.
Democratic Party
1981 – 1993
Michael Joseph “Mike” Madigan
Date of birth/date of death: b. April 19 1942.
Democratic Party
1995 – 1997