Individual Details
Living
( - )
Families
| Father | Lyle Frederick James IRWIN ( - 2000) |
| Mother | Enid ALFORD (1914 - 1996) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Living |
| Sibling | Colin Leslie IRWIN (1950 - 1970) |
| Sibling | Living |
| Sibling | Living |