Individual Details
Living
( - )
Families
| Spouse | Living |
| Father | Lt. Col. John Frederick Hornby (1846 - 1909) |
| Mother | Living |
| Sibling | Commander Christopher Hornby R. N. (1880 - 1966) |
| Sibling | Major Charles Beck Hornby D. S. O. J. P. (1883 - 1949) |
| Sibling | Col. John Walter Hornby M. C. (1887 - 1958) |
| Sibling | Capt. Reginald Forte Hornby (1890 - 1974) |
| Sibling | Margaret Ellen Hornby ( - 1934) |
| Sibling | Living |
| Sibling | Harriet Mary Hornby ( - 1953) |