Union Postmasters
| Name | Title | Date Appointed |
|---|---|---|
| James Brown | Postmaster | 03/15/1830 |
| Abraham Standifer | Postmaster | 01/26/1832 |
| Morris Lassing | Postmaster | 04/01/1837 |
| Lewis B. Wells | Postmaster | 03/02/1846 |
| James Brown | Postmaster | 02/04/1847 |
| Noah A. Baker | Postmaster | 04/03/1855 |
| Littleton W. T. Lodge | Postmaster | 11/03/1857 |
| Robert K. Conner | Postmaster | 03/18/1858 |
| Eugene A. Riley | Postmaster | 08/21/1893 |
| Henry W. Riley | Postmaster | 11/14/1896 |
| John P. Dunbar | Postmaster | 08/07/1902 |
| Samuel C. Hicks | Postmaster | 06/15/1906 |
| William M. Rachal | Postmaster | 02/08/1908 |
| John W. Dean | Acting Postmaster | 10/01/1930 |
| Mrs. Norma R. Huey | Acting Postmaster | 02/18/1931 |
| Mrs. Norma R. Huey | Postmaster | 05/06/1931 |
| Nathan I. Clements | Acting Postmaster | 03/31/1956 |
| Nathan I. Clements | Postmaster | 08/06/1957 |
| Mrs. Helen V. Fibbs | Officer-In-Charge | 09/19/1969 |
| Roy C. Hall | Officer-In-Charge | 01/16/1970 |
| Roy C. Hall | Postmaster | 04/17/1971 |
| Ann Sailer | Officer-In-Charge | 09/15/1978 |
| Timothy P. Gilday | Postmaster | 03/24/1979 |
| Paul Morgan | Officer-In-Charge | 10/10/2003 |
| Landis Merriman | Officer-In-Charge | 12/16/2003 |
| Kimberle G. Jansen | Postmaster | 03/20/2004 |