1755 - 1819 (63 years)
| Mary Dowden 1755-1819 |
| Mary Dowden | |
| B: | 17 Dec 1755 |
| Potomac, Montgomery, Maryland, United States | |
| D: | Dec 1819 |
| Washington, Pennsylvania, United States | |
 | William Riggs 1750-1833 |
| William Riggs | |
| B: | 12 Mar 1750 |
| Harpers Ferry, Cecil, Maryland | |
| M: | 1773 |
| Cecil, Maryland, United States | |
| D: | Aug 1833 |
| Pike Run, Washington, Pennsylvania, United States | |
