| Father | William Riley "Billy Flatt" Cantrell (1809 - 1885) |
| Mother | Constance Maud "Connie" Magness (1815 - 1904) |
| Sibling | Perry Green Cantrell (1831 - ) |
| Sibling | Elisha B. "Liab" Cantrell (1832 - ) |
| Sibling | John Javis Cantrell (1835 - 1895) |
| Sibling | Mary Ann Cantrell (1837 - 1896) |
| Sibling | Susan Cantrell (1839 - ) |
| Sibling | Bethel Magness Cantrell (1841 - ) |
| Sibling | Daniel Wadkins Cantrell (1843 - ) |
| Sibling | Martha Jane Cantrell (1845 - 1910) |
| Sibling | LeRoy Jackson Cantrell (1849 - 1906) |
| Sibling | Madison Hall Cantrell (1851 - ) |
| Sibling | Richard M. Cantrell (1854 - ) |
| Sibling | Charlotte Blaine Cantrell (1857 - 1889) |