| Male William A. McMahon |
| Birth | 9 Jun 1875 | Rio, Columbia County, Wisconsin, United States |
| Death | 24 Oct 1948 | Doylestown, Columbia, Wisconsin, United States |
| Burial | 26 Oct 1948 | St. Patrick's Church Cemetery, Doylestown, Columbia, Wisconsin, United States |
| Marriage | 1912 | |
| Other Spouse | Bridget Cleary | F3795 | |
| Marriage | 1905 | |
| Father | Hugh Peter McMahon | F3794 Group Sheet | |
| Mother | Mary Crinion | F3794 Group Sheet | |
| Female Ella Tracy |
| Birth | 3 Mar 1881 | |
| Death | 11 Nov 1947 | Wyocena, Columbia County, Wisconsin, United States |
| Burial | 14 Nov 1947 | St. Patrick's Church Cemetery, Doylestown, Columbia, Wisconsin, United States |
| Father | Thomas Tracy | F3761 Group Sheet | |
| Mother | Mary Ann McInery | F3761 Group Sheet | |
| Male Thomas Tracy McMahon |
| Birth | 10 Jun 1914 | , Columbia, Wisconsin, United States |
| Death | 14 Sep 1981 | |
| Burial |