Polly B. Sprague 
F, #5209, b. circa 1773
| Relationship | 4th cousin 6 times removed of Malcolm Kenyon McKown Jr. |
| Father* | Nathaniel Sprague b. May 21, 1738, d. Jan 9, 1797 |
| Mother* | Elizabeth Hammond b. circa 1751 |
Chronological Events | ||
| Birth* | circa 1773 | Polly B. Sprague was born circa 1773 at Rochester, Plymouth County, Massachusetts, United States . |
| She was the daughter of Nathaniel Sprague and Elizabeth Hammond. | ||