| Father | Matthew Joseph Hannan b. 1886, d. 19 May 1951 |
| Mother | Meta Alvina Larsen b. 25 Jan 1893, d. 2 Oct 1982 |
Birth, Death, Marriage | |
| John Leo Hannan was born on 10 November 1919.1 | |
| He married Edith Olsen.1 | |
| He died on 10 November 1993 at age 74.2 | |
Family | Edith Olsen b. 24 Jun 1920, d. 27 Mar 2009 |
| Children |
| Charts | Larsen, Laust, descendant chart |