Mary Hamilton was born 5 October 1961 in Fayetteville, Tennessee, United States to William Hamilton (1836-1910) and Elizabeth E. Wyatt (1835-1880) and died 24 June 1894 Fayetteville, Tennessee, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| William Robert Montgomery (1900-1980) | 12 March 1900 Clarksdale, Mississippi, United States | 2 June 1980 Clarksdale, Mississippi, United States | Marie Louise Montgomery (1896-1972) |
Siblings
| Name | Birth | Death | Joined with |
| Mary Frances Hamilton (1861-1894) | 5 October 1961 Fayetteville, Tennessee, United States | 24 June 1894 Fayetteville, Tennessee, United States | John Ormand Montgomery (1860-1914) |