| Father | Thomas York MCCOTTER (1842 - 1908) |
| Mother | Caroline "Carrie" DELAMAR (1846 - 1914) |
| Sibling | Annie Byron MCCOTTER (1853 - 1958) |
| Sibling | Richard Franklin MCCOTTER (1869 - 1950) |
| Sibling | Thomas York MCCOTTER (1869 - 1946) |
| Sibling | Pauline MCCOTTER (1872 - 1887) |
| Sibling | Regenia Bucklin Ange MCCOTTER (1874 - 1952) |
| Sibling | Minie MCCOTTER (1877 - ) |
| Sibling | Mary E MCCOTTER (1879 - 1961) |
| Sibling | Claud Dubolt MCCOTTER (1881 - 1956) |
| Sibling | John MCCOTTER (1881 - ) |
| Sibling | James Winfred MCCOTTER (1887 - 1962) |
| Sibling | James W MCCOTTER (1888 - 1962) |