| Father | Eli Youmans (1813 - 1882) |
| Mother | Rebecca Jane Knox (1821 - 1890) |
| Sibling | Joseph McConnell Youmans (1842 - 1864) |
| Sibling | Andrew Knox Youmans (1843 - 1925) |
| Sibling | Bertha J Youmans (1845 - 1876) |
| Sibling | Robert H. Youmans (1847 - 1930) |
| Sibling | Alfred Ogle 'Oge' Youmans (1850 - 1927) |
| Sibling | Lewis Kossuth Youmans (1853 - 1901) |
| Sibling | James A. Youmans (1855 - 1911) |
| Sibling | Charles Jackson Youmans (1857 - 1907) |
| Sibling | David Frank Youmans (1860 - 1934) |
| Sibling | Marcus McConnell "Mark" Youmans (1862 - 1951) |
| Sibling | James A Youmans (1866 - 1906) |
| Sibling | Orlando A Youmans (1885 - 1932) |