| Father | John "Ham" Nickell (1801 - 1865) |
| Mother | Isabella Knox (1810 - 1870) |
| Sibling | John Richard Nickell (1831 - 1888) |
| Sibling | Elizabeth I. Nickell (1834 - 1898) |
| Sibling | Robert A. Nickell (1836 - ) |
| Sibling | Andrew Nickell (1839 - 1860) |
| Sibling | Sarah A. "Sally" Nickell (1842 - 1931) |
| Sibling | Harvey Lewis Nickell (1843 - 1932) |
| Sibling | James Perry Nickell (1845 - 1875) |
| Sibling | Mary Catherine "Kate" Nickell (1849 - 1918) |
| Sibling | Wilson Knox Nickell (1850 - 1919) |
| Sibling | Isabell "Bell" Nickell (1854 - 1919) |
| Sibling | Eliza Susan Nickell (1858 - ) |