April 24, 1839
1841-1843 John Box
1843-1845 Edwin Guthrie
1845-1849 J. W. Cohick
1849-1852 A. W. Haskal
1853 John Scott
1854 George Grisby
1855 F.A. Baker
1856-1857 P. Inskeep
1857-1859 Edward Layton
1859-1861 Martin Heisey
1861-1867 Thomas Hale
1867-1871 D. Doer
1871-1877 Seth Craig
1877-1883 E. C. McMillan
1883-1887 W. C. Gunn
1887-1891 E. C. McMillan
1891-1893 George W. Crossely
1893-1906 N. N. Jones
1906-1916 J. C. Sanders
1916-1920 J. R. Perkins
1920-1933 Thomas P. Hollowell
1933-1942 Glenn C. Haynes
1942-1958 Percy A. Lainson
1958-1968 John E. Bennett
1968-1978 Lou V. Brewer
1978 Jack Baughman
1979-1981 David J. Scurr
1981-1993 Crispus C. Nix
1993-1995 Thomas E. Hundley
1995-1996 Gerardo Aceledo
1997-1998 Herb Maschner
1998-2000 L. W. Graves
2000-2004 John Mathes
2004-2005 Ken Burger
2005-Present John Ault
