Statehood Charles N. Haskell Democratic 1907-1911 Lee Cruce Democratic 1911-1915 R. L. Williams Democratic 1915-1919 James B. A. Robertson Democratic 1919-1923 John C. Walton Democratic 1923-1923 Martin E. Trapp Democratic 1923-1927 Henry S. Johnston Democratic 1927-1929 William J. Holloway Democratic 1929-1931 William H. Murray Democratic 1931-1935 Ernest W. Marland Democratic 1935-1939 Leon C. Phillips Democratic 1939-1943 Robert S. Kerr Democratic 1943-1947 Roy J. Turner Democratic 1947-1951 Johnston Murray Democratic 1951-1955 Raymond D. Gary Democratic 1955-1959 J. Howard Edmondson Democratic 1959-1963 George Nigh Democratic 1963-1963 Henry Bellmon Republican 1963-1967 Dewey F. Bartlett Republican 1967-1971 David Hall Democratic 1971-1975 David L. Boren Democratic 1975-1979 George Nigh Democratic 1979-1987 Henry Bellmon Republican 1987-1991 David Walters Democratic 1991-1995 Frank Keating Republican 1995-2003 Brad Henry Democratic 2003-