| Postmaster | Started Service |
| Issac H. Wheeler | April 28, 1862 |
| Nathan Wheeler | August 25, 1868 |
| Eulalia Titus | April 7, 1881 |
| Fernando C. White | June 16, 1898 |
| John R. Monroe | November 28, 1900 |
| John Wiehle | August 19, 1902 |
The Harrison Mills post office discontinued mail service
on October 27, 1902.
Mail was sent to the Sciotoville post office.
Compiled by Carl and Elizabeth Shamhart, Scioto County
Post Offices 1805 - 1991, Harrison Township, The Portsmouth Public
Library Local History Department, pp. 29 - 31.