| Male Francis J. McMahon |
| Birth | 8 Apr 1902 | , Columbia, Wisconsin, United States |
| Death | 12 Jul 1980 | Eau Claire, Eau Claire, Wisconsin, United States |
| Burial | Cornell Cemetery, Chippewa Falls, Wisconsin, United States |
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| Marriage | 5 Jul 1935 | Cornell, Chippewa, Wisconsin, United States |
| Father | Stephen James McMahon | F3697 Group Sheet | |
| Mother | Cecelia Agnes Callahan | F3697 Group Sheet | |