| Father | William Robert Youmans (1835 - 1918) |
| Mother | Sarah Elizabeth "Betsy" Sweat (1843 - 1903) |
| Sibling | William Levi Youmans (1860 - 1926) |
| Sibling | Charles Youmans (1861 - ) |
| Sibling | James Sweat Youmans (1861 - 1864) |
| Sibling | Jack Youmans (1863 - ) |
| Sibling | Mary Susannah Youmans (1863 - 1864) |
| Sibling | Sara Elizabeth Youmans (1866 - 1907) |
| Sibling | Susannah E Youmans (1866 - 1907) |
| Sibling | Sara Elizabeth Youmans (1866 - 1950) |
| Sibling | Mary J Youmans (1868 - ) |
| Sibling | Joseph Robert Youmans (1868 - 1917) |
| Sibling | Amanda Youmans (1871 - ) |
| Sibling | Nancy Isabella "Belle" Youmans (1871 - 1924) |
| Sibling | John Francis Youmans (1872 - 1930) |
| Sibling | David William Youmans (1875 - 1879) |
| Sibling | John F. Youmans (1876 - ) |
| Sibling | Andrew Jackson Youmans (1877 - 1927) |
| Sibling | George Washington Youmans (1879 - 1922) |
| Sibling | Elias Jacob Youmans (1883 - 1947) |