SMITHSBORO POST OFFICE
KNOTT COUNTY,
| NAME | TITLE | DATE APPOINTED |
| George Francis | Postmaster | 10/15/1900 |
| Granville C. Smith | Postmaster | 12/31/1902 |
| Alise Smith | Postmaster | 12/16/1909 |
| Robert S. Kelly | Postmaster | 01/24/1914 |
| Mallie Combs | Acting Postmaster | 10/26/1922 |
| Mallie Combs | Postmaster | 02/26/1923 |
| Allie (Smith) Slone | Postmaster | 02/26/1924 |
| Miss Allie Smith's name was changed to Mrs. Allie Slone on August 30, 1937. | ||
| Mrs. Bertha S. Jones | Acting Postmaster | 06/30/1950 |
| Mrs. Bertha S. Jones | Postmaster | 09/20/1950 |
| Mrs. Bessie Back | Acting Postmaster | 12/31/1950 |
| Mrs. Bessie Back | Postmaster | 02/15/1951 |
|
Discontinued on August 3, 1973; mail to Sassafras |
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