| Father | Eleazar Youmans Jr. (1800 - 1881) |
| Mother | Mary Magdeleine Levesque (1809 - 1885) |
| Sibling | Thomas Youmans (1829 - 1906) |
| Sibling | Mary Youmans (1830 - 1913) |
| Sibling | Arthur Youmans (1834 - ) |
| Sibling | David Youmans (1834 - 1912) |
| Sibling | Annie Youmans (1834 - 1890) |
| Sibling | Joseph Henry Youmans (1837 - 1934) |
| Sibling | Betsey Youmans (1838 - 1913) |
| Sibling | Harriet Elizabeth Youmans (1840 - 1913) |
| Sibling | Aaron Youmans (1841 - ) |
| Sibling | Samuel Joseph Youmans (1844 - 1909) |
| Sibling | Edward Allen Youmans (1847 - 1922) |
| Sibling | Hannah Eleanor Youmans (1850 - 1900) |