Civil War Governors - Part 1: The United States

California
John G. Downey, Lecompton Democratic, January 14, 1860 – January 10, 1862
Leland Stanford, Republican, January 10, 1862 – December 10, 1863
Frederick Low, Unionist Republican, December 10, 1863 – December 5, 1867

Connecticut
William A. Buckingham, Republican, May 5, 1858 – May 2, 1866

Delaware
William Burton, Democratic, January 18, 1859 – January 20, 1863
William Cannon, Republican, January 20, 1863 – March 1, 1865
Gove Saulsbury, Democratic, March 1, 1865 – January 17, 1871

Illinois
John Wood, Republican, March 18, 1860 – January 14, 1861
Richard Yates, Republican, January 14, 1861 – January 16, 1865
Richard Oglesby, Republican, January 16, 1865 – January 11, 1869

Indiana
Abram A. Hammond, Democratic, October 4, 1860 – January 14, 1861
Henry Smith Lane, Republican, January 14, 1861 – January 16, 1861
Oliver P. Morton, Republican, January 16, 1861 – January 23, 1867

Iowa
Samuel J. Kirkwood, Republican, January 11, 1860 – January 14, 1864
William M. Stone , Republican, January 14, 1864 – January 16, 1868

Kansas
Samuel Medary (Territorial) , Democratic, December, 1858 – December, 1860
Charles L. Robinson, Republican, February 9, 1861 – January 12, 1863
Thomas Carney, Republican January 12, 1863 – January 9, 1865
Samuel J. Crawford, Republican January 9, 1865 – November 4, 1868

Maine
Lot M. Morrill, Republican, January 6, 1858 – January 2, 1861
Isreal Washburn, Jr. , Republican, January 2, 1861 – January 7, 1863
Abner Coburn, Republican, January 7, 1863 – January 6, 1864
Samuel Cony, Republican, January 6, 1864 – January 2, 1867

Massachusetts
Nathaniel P. Banks, Republican, January 7, 1858 – January 3, 1861
John Albion Andrew, Republican, January 3, 1861 – January 4, 1866

Michigan
Moses Wisner, Republican, January 5, 1859 – January 2, 1861
Austin Blair, Republican, January 3, 1861 – January 3, 1865
Henry H. Crapo, Republican, January 3, 1865 – January 6, 1869

Minnesota
Henry H. Sibley, Democratic, May 24, 1858 – January 2, 1860
Alexander Ramsey, Republican, January 2, 1860 – July 10, 1863
Henry A Swift, Republican, July 10, 1863 – January 11, 1864
Stephen Miller, Republican, January 11, 1864 – January 8, 1866

New Hampshire
Ichabod Goodwin, Republican, June 2, 1859 – June 6, 1861
Nathaniel S. Berry, Republican, June 6, 1861 – June 3, 1863
Joseph A. Gilmore, Republican, June 3, 1863 – June 8, 1865
Frederick Smith, Republican, June 8, 1865 – June 6, 1867

New Jersey
William A. Newell, Republican, January 20, 1857 – January 17, 1860
Charles S. Olden, Republican, January 17, 1860 – January 20, 1863
Joel Parker, Democratic, January 20, 1863 – January 16, 1866

New York
Edwin D. Morgan, Republican, January 1, 1859 – December 31, 1862
Horatio Seymour, Democratic, January 1, 1863 – December 31, 1864
Reuben Fenton, Union, January 1, 1865 – December 31, 1868

Ohio
Salmon P. Chase, Republican, January 14, 1856 – January 9, 1860
William Dennison, Republican, January 9, 1860 – January 13, 1862
David Tod, Republican, January 4, 1862 – January 11, 1864
John Brough, Republican, January 11, 1864 – August 29, 1865
Charles Anderson, Republican, August 29, 1865 – January 8, 1866

Oregon
John Whiteaker, Democratic, March 3, 1859 – September 10, 1862
A. C. Gibbs, Republican, September 10, 1862 – September 12, 1866

Pennsylvania
William F. Packer, Democratic, January 19, 1858 – January 15, 1861
Andrew Gregg Curtin, Republican, January 15, 1861 – January 15, 1867

Rhode Island
Thomas G. Turner, Republican, May 31, 1859 – May 1860
William Sprague, Republican, May 1860 – March 3, 1863
William C. Cozzens, Democratic, March 3, 1863 – May 26, 1863
James Y. Smith, Republican, May 26, 1863 – May 29, 1866

Vermont
Hiland Hall, Republican, October 10, 1858 – October 12, 1860
Erastus Fairbanks, Republican, October 12, 1860 – October 11, 1861
Frederick Holbrook, Republican, October 11, 1861 – October 9, 1863
J. Gregory Smith, Republican, October 9, 1863 – October 13, 1865
Paul Dillingham, Republican, October 13, 1865 – October 13, 1867

West Virginia
Arthur I. Boreman, Republican, June 20, 1863 – February 26, 1869

Wisconsin
Alexander W. Randall, Republican, January 4, 1858 – January 6, 1862
Louis P. Harvey, Republican, January 6, 1862 – April 19, 1862
Edward Salomon, Republican, April 19, 1862 – January 4, 1864
James T. Lewis, Republican , January 4, 1864 – January 1, 1866

KEY: Name, Party, Term In Office

See Also:
Civil War Governors – Part 2: The Border States
Civil War Governors – Part 3: The Confederate States