| Father | John Franklin Losey (1831 - 1920) |
| Mother | Anna Mariah Daugherty (1848 - 1925) |
| Sibling | Cecil Edmond Losey (1881 - 1913) |
| Sibling | Oliver Windell Losey (1878 - ) |
| Sibling | Leota Irene Losey (1872 - ) |
| Sibling | John Howard Losey (1883 - 1889) |
| Sibling | Charles Everett Losey (1870 - 1932) |
| Sibling | Hugh Herbert Losey (1883 - ) |
| Sibling | Max Leroy Losey (1892 - 1951) |
| Sibling | Levina Jane Losey (1866 - 1866) |
| Sibling | James William Losey (1867 - 1867) |
| Sibling | Flora Belle Losey (1875 - 1933) |
| Sibling | Clementine Elizabeth Losey (1885 - 1920) |
| Sibling | Henry Bell Losey (1876 - 1876) |