| Male James P. McMahon |
| Birth | 28 Dec 1823 | , , , Ireland |
| Death | 19 Mar 1882 | Doylestown, Columbia, Wisconsin, United States |
| Burial | ||
| Marriage | 19 Oct 1853 | |
| Father | Edward Matthew McMahon | F3754 Group Sheet | |
| Mother | Rose Ann Kirley | F3754 Group Sheet | |
| Male + James P. McMahon |
| Birth | 29 Mar 1854 | , , New York, United States |
| Death | 1881 | Doylestown, Columbia, Wisconsin, United States |
| Burial | ||
| Spouse | Elizabeth C. Devine | F3828 | |
| Marriage | 31 Dec 1875 | , Columbia, Wisconsin, United States |
| Female Rose Ann McMahon |
| Birth | 1855 | , , Wisconsin, United States |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | John Reddick | F3826 | |
| Marriage | ||
| Male Hugh McMahon |
| Birth | 2 Jun 1860 | , , Wisconsin, United States |
| Death | 24 Mar 1927 | |
| Burial | ||
| Spouse | Anna McGuckin | F3827 | |
| Marriage | 4 Aug 1908 | , Columbia, Wisconsin, United States |