| State Legislator (Not Minnesota) | Maine House of Representatives | | ??/??/1854 to ??/??/???? |
| State Legislator (Not Minnesota) | Maine Senate | | ??/??/1855 to ??/??/???? |
| School Board/Administration | State of Maine (Superintendent of Schools) | | ??/??/1855 to ??/??/???? |
| School Board/Administration | State of Maine (Superintendent of Schools) | | ??/??/1857 to ??/??/1859 |
| U.S. Executive Branch | United States Consul (Vera Cruz, Mexico) | | ??/??/1861 to ??/??/1862 |
| Military | Union Army, Maine Volunteer Infantry, 5th Regiment (Colonel) | | 05/06/1861 to 08/31/1861 |
| School Board/Administration | Minnesota (Superintendent of Schools) | | 04/02/1867 to 08/??/1870 |
| U.S. Representative | 1st Congressional District, Minnesota | Elected | 03/04/1871 to 03/03/1883 |
| U.S. Representative | 1st Congressional District, Minnesota | Elected | 03/04/1889 to 03/03/1891 |