Individual Details
Living
( - )
Families
| Spouse | Living |
| Child | Living |
| Child | Living |
| Child | Living |
| Father | Samuel Gadd ( - 1905) |
| Mother | Mary Ann Thomas (1859 - 1938) |
| Sibling | William Samuel Gadd (1885 - 1917) |
| Sibling | Thomas Llewellyn Gadd (1888 - 1953) |
| Sibling | Susan Ann Gadd (1891 - ) |
| Sibling | Living |
| Sibling | Sarah Gadd (1898 - 1903) |
| Sibling | Robert Alwyn Gadd (1900 - 1997) |
| Sibling | Arthur E. Gadd (1903 - 1917) |
| Sibling | Living |