| Father | Samuel Day Sr. (1775 - 1842) |
| Mother | Sophia Hayden (1780 - 1852) |
| Sibling | Eleanor Day (1797 - 1856) |
| Sibling | infant Day (1797 - 1797) |
| Sibling | Daniel Day (1798 - 1845) |
| Sibling | Mary Day (1800 - 1883) |
| Sibling | Phoebe Day (1800 - 1880) |
| Sibling | Elias Day (1802 - 1807) |
| Sibling | Nancy Hunter Day (1804 - 1854) |
| Sibling | Alice Sutton Day (1805 - 1850) |
| Sibling | Iseral Day (1806 - 1896) |
| Sibling | Susannah Rush Day (1807 - 1889) |
| Sibling | Sophia Day (1808 - 1809) |
| Sibling | Keziah Day (1808 - 1841) |
| Sibling | Hannah Hudson Day (1811 - 1904) |
| Sibling | Charles Mullen Day (1813 - 1904) |
| Sibling | James Day (1814 - 1894) |
| Sibling | Charlotte Day (1816 - 1893) |
| Sibling | Sarah Venosdal Day (1818 - 1909) |
| Sibling | Stephen Day (1819 - 1853) |