Adams Allen Bartholomew Benton Blackford Boone Brown Carroll Cass Clark Clay Clinton Crawford Daviess Dearborn Decatur DeKalb Delaware Dubois Elkhart Fayette Floyd Fountain Franklin Fulton Gibson Grant Greene Hamilton Hancock Harrison Hendricks Henry Howard Huntington Jackson Jasper Jay Jefferson Jennings Johnson Knox Kosciusko LaGrange Lake LaPorte Lawrence Madison Marion Marshall Martin Miami Monroe Montgomery Morgan Newton Noble Ohio Orange Owen Parke Perry Pike Porter Posey Pulaski Putnam Randolph Ripley Rush St. Joseph Scott Shelby Spencer Starke Steuben Sullivan Switzerland Tippecanoe Tipton Union Vanderburgh Vermillion Vigo Wabash Warren Warrick Washington Wayne Wells White Whitley

Dearborn County

Established: March 7, 1803
Named for: U.S. Secretary of War Henry Dearborn
County seat: Lawrenceburg
Other cities/towns: Aurora, Greendale
County number: 15

Chronological listing of State Senators for Dearborn County
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# Office Holder Counties/District Party Tenure
1   Ezra Ferris Dearborn Nov 4, 1816 to Dec 1, 1817
   Dearborn, Ripley Dec 1, 1817 to Dec 6, 1819
2   John Gray Dearborn, Ripley Dec 6, 1819 to Nov 19, 1821
   Dearborn Nov 19, 1821 to Dec 5, 1825
3   John Watts Dearborn Dec 5, 1825 to Dec 5, 1831
4   James T. Pollock Dearborn Dec 5, 1831 to Feb 22, 1833
   Vacant Dearborn Feb 22, 1833 to Dec 2, 1833
5   David Vollander Culley Dearborn Dec 2, 1833 to Dec 1, 1834
6   David Plummer Dearborn Whig Dec 1, 1834 to Dec 4, 1837
7   Johnson Watts Dearborn Whig Dec 4, 1837 to Dec 4, 1843
8   George P. Buell, Sr. Dearborn Democratic Dec 4, 1843 to Dec 2, 1844
   Dearborn Democratic Dec 2, 1844 to Dec 7, 1846
9   James P. Millikan Dearborn Democratic Dec 7, 1846 to Nov 3, 1852
10   Richard Dawes Slater, Sr. Dearborn Democratic Nov 3, 1852 to Nov 3, 1858
11   Cornelius O'Brien Dearborn Democratic Nov 3, 1858 to Nov 5, 1862
12   James W. Gaff Dearborn Democratic Nov 5, 1862 to Nov 7, 1866
13   Elijah Huffman Dearborn Democratic Nov 7, 1866 to Nov 4, 1868
   Dearborn, Ohio Democratic Nov 4, 1868 to Mar 4, 1869
   Vacant Dearborn, Ohio Mar 4, 1869 to Mar 24, 1869
   Elijah Huffman Dearborn, Ohio Democratic Mar 24, 1869 to May 13, 1869
   Vacant Dearborn, Ohio May 13, 1869 to Nov 9, 1870
14   Richard Gregg, 38 Dearborn, Ohio Democratic Nov 9, 1870 to Nov 4, 1874
15   Noah Sampson Givan Dearborn, Franklin Democratic Nov 4, 1874 to Nov 6, 1878
16   Stephen Elbert Urmson Dearborn, Franklin Democratic Nov 6, 1878 to Nov 3, 1880
17   Levin James Woollen Dearborn, Ohio, Switzerland Democratic Nov 3, 1880 to Nov 8, 1882
18   Columbus Johnston Dearborn, Ohio, Switzerland Democratic Nov 8, 1882 to Nov 3, 1886
19   Francis Marion Griffith Dearborn, Ohio, Switzerland Democratic Nov 3, 1886 to Nov 7, 1894
20   Columbus Johnston Dearborn, Ohio, Switzerland Democratic Nov 7, 1894 to Nov 9, 1898
21   George Humphrey Keeney Dearborn, Franklin, Ohio Democratic Nov 9, 1898 to Nov 5, 1902
22   William Hunter O'Brien, Sr. Dearborn, Franklin, Ohio Democratic Nov 5, 1902 to Nov 7, 1906
23   Evan Lloyd Patterson Dearborn, Franklin, Ohio Democratic Nov 7, 1906 to Nov 9, 1910
24   Warren N. Hauck Dearborn, Franklin, Ohio Democratic Nov 9, 1910 to Nov 4, 1914
25   Joseph P. Hemphill Dearborn, Franklin, Ohio Democratic Nov 4, 1914 to Nov 8, 1916
   Dearborn, Jefferson, Ohio, Switzerland Democratic Nov 8, 1916 to Nov 6, 1918
26   Joseph Marshall Cravens Dearborn, Jefferson, Ohio, Switzerland Democratic Nov 6, 1918 to Nov 8, 1922
27   John Francis Lochard Dearborn, Jennings, Ripley Democratic Nov 8, 1922 to Nov 7, 1934
28   William Terrence Fitzgerald Dearborn, Jennings, Ripley Democratic Nov 7, 1934 to Mar 10, 1937
   Vacant Dearborn, Jennings, Ripley Mar 10, 1937 to Nov 9, 1938
29   William Hunter O'Brien, Jr. Dearborn, Jennings, Ripley Democratic Nov 9, 1938 to Mar 6, 1940
   Vacant Dearborn, Jennings, Ripley Mar 6, 1940 to Nov 6, 1940
30   Charles Wilson Jewett Dearborn, Jennings, Ripley Republican Nov 6, 1940 to Nov 6, 1946
31   Clyde Martin Matthews Dearborn, Jennings, Ripley Republican Nov 6, 1946 to Nov 8, 1950
32   Edgar Doud Whitcomb Dearborn, Jennings, Ripley Republican Nov 8, 1950 to Nov 3, 1954
33   James L. Dunn Dearborn, Jennings, Ripley Republican Nov 3, 1954 to Nov 5, 1958
34   Raymond Maxwell Baker Dearborn, Jennings, Ripley Democratic Nov 5, 1958 to Nov 7, 1962
35   Wilfrid John Ullrich Dearborn, Jennings, Ripley Democratic Nov 7, 1962 to Nov 4, 1964
   Dearborn, Jennings, Ohio, Ripley Democratic Nov 4, 1964 to Nov 9, 1966
   District 31 Democratic Nov 9, 1966 to Nov 8, 1972
   District 43 Democratic Nov 8, 1972 to Jun 8, 1977
   Vacant District 43 Jun 8, 1977 to Jul 8, 1977
36   Robert John Bischoff District 43 Democratic Jul 8, 1977 to Nov 8, 1978
37   Allen Paul District 27 Republican Nov 8, 1978 to Nov 5, 2014
38   Johnny Westley Nugent District 43 Republican Nov 7, 2012 to Nov 5, 2014
39   Chip Perfect District 43 Republican Nov 5, 2014 to Sep 26, 2023
40   Randy Maxwell District 43 Republican Sep 26, 2023 to Present