| Father | John William Horn (1846 - 1906) |
| Mother | Mary Ann Sugg (1849 - 1929) |
| Sibling | Ola Horn Forrest ( - ) |
| Sibling | Henry Wiley Horn (1868 - 1951) |
| Sibling | Aaron Franklin "Frank" Horn (1869 - 1942) |
| Sibling | Ada Mendosa Horn (1872 - 1964) |
| Sibling | Florence Horn (1873 - 1874) |
| Sibling | James Riley Horn (1876 - 1958) |
| Sibling | John Bunyon Horn (1880 - 1942) |
| Sibling | Austin Garland Horn (1882 - 1960) |
| Sibling | Garland D. Horn (1882 - ) |
| Sibling | Mary V. Horn (1884 - ) |
| Sibling | Viola J. Horn (1886 - 1970) |
| Sibling | Irvin Sidney Horn (1888 - 1904) |