Individual Details
Living
( - )
Families
| Spouse | Living |
| Father | Thomas Heffernan (1892 - 1959) |
| Mother | Beatrice Hiscock (1900 - 1959) |
| Sibling | Living |
| Sibling | John Heffernan (1921 - 2005) |
| Sibling | Living |
| Sibling | Gertrude Ann Heffernan (1927 - 2006) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Richard H. Heffernan (1918 - 1951) |
| Sibling | Thomas Heffernan ( - 2005) |
| Sibling | William Joseph Heffernan (1924 - 1993) |
| Sibling | Patrick Heffernan ( - 1993) |
| Sibling | James Heffernan (1936 - 1993) |
| Sibling | Phoebe Heffernan ( - 1993) |
| Sibling | Margaret Heffernan ( - 1993) |