| Father | Daniel Joseph Laffin (1878 - 1941) |
| Mother | Mary Elizabeth Marsh (1884 - 1948) |
| Sibling | Living |
| Sibling | Living |
| Sibling | Ann Elizabeth Laffin ( - 2005) |
| Sibling | Laura Mae Laffin (1907 - 1938) |
| Sibling | Beatrice Laffin (1907 - 1926) |
| Sibling | Daniel Joe Laffin (1909 - 1987) |
| Sibling | Hilary David Laffin (1912 - 1994) |
| Sibling | Mary Magdeline Laffin (1915 - 2005) |
| Sibling | Winnifred Pearl Laffin (1916 - 1994) |
| Sibling | John Thomas Laffin (1917 - 1917) |
| Sibling | Catherine Laffin (1918 - 2011) |
| Sibling | Agnes Laffin (1921 - 1994) |
| Sibling | James Kevin Laffin (1922 - 2006) |