| Father | Joel Foster Hamilton (1822 - 1877) |
| Mother | Orra Obedience Self Williams (1823 - 1883) |
| Sibling | Cpl James Andrew Hamilton (1844 - 1922) |
| Sibling | George Russell Hamilton (1846 - 1930) |
| Sibling | Thomas Benjamin "Tb" Hamilton (1849 - 1923) |
| Sibling | Margaret Frances Hamilton (1853 - 1886) |
| Sibling | Mary Angeline Hamilton (1854 - 1939) |
| Sibling | Louisa Bethany Hamilton (1856 - 1859) |
| Sibling | John Milton Hamilton (1858 - 1881) |
| Sibling | Jacob Edmond Hamilton (1861 - 1861) |
| Sibling | Orra Obedience Foster "O. O. F." Hamilton (1863 - 1937) |