Wyoming

Territorial Governors
1869-1875   John A. Campbell
1875-1878   John M. Thayer
1878-1882   John W. Hoyt
1882-1885   William Hale
1885-1885   E.S.N. Morgan
1885-1886   Francis E. Warren
1886-1886   George W. Baxter
1886-1887   E.S.N. Morgan
1887-1889   Thomas Moonlight
1889-1890   Francis E. Warren

State Governors
1890-1890   Francis E. Warren
1890-1893   Amos W. Barber
1893-1895   John E. Osborne
1895-1899   William A. Richards
1899-1903   DeForest Richards
1903-1905   Fenimore Chatterton
1905-1907   Bryant B. Brooks
1911-1915   Joseph M. Carey
1915-1917   John B. Kendrick
1917-1919   Frank Houx
1919-1923   Robert D. Carey
1923-1924   William B. Ross
1924-1925   Frank Lucas
1925-1927   Nellie Tayloe Ross
1927-1931   Frank C. Emerson
1931-1933   Alonzo M. Clark
1933-1939   Leslie A. Miller
1939-1943   Nels H. Smith
1943-1949   Lester C. Hunt
1949-1951   A.G. Crane
1951-1953   Frank A. Barrett
1953-1955   C.J. "Doc" Rogers
1955-1959   Milward L. Simpson
1959-1961   J.J. Hickey
1961-1963   Jack R. Gage
1963-1967   Clifford P. Hansen
1967-1975   Stanley K. Hathaway
1975-1987   Ed Herschler
1987-1995   Mike Sullivan
1995-2003   Jim Geringer
2003 now   Dave Freudenthal

Reference
Wyoming Secretary of State, Roster of the Governors of Wyoming