| State Legislative Staff | Ohio House of Representatives (Chief Clerk) | | ??/??/1847 to ??/??/1849 |
| U.S. Executive Branch | United States Land Office, St. Peter, Minnesota (Register) | | ??/??/1856 to 02/25/1869 |
| Military | Minnesota (Sioux Uprising; Defense of New Ulm, Minnesota) | | ??/??/1862 to ??/??/1862 |
| Board of Regents | University of Minnesota (Ex Officio as Lieutenant Governor and Governor) | | 03/04/1863 to 01/11/1864 |
| State Lieutenant Governor | Minnesota | | 03/04/1863 to 07/10/1863 |
| State Governor | Minnesota | Appointed | 07/10/1863 to 01/11/1864 |