| 1. Florence Margaret McMahon |
 |
| B: |
26 Aug 1906 |
| P: |
, , Wisconsin, United States |
| D: |
22 Nov 1925 |
| P: |
Franklin, Manitowoc, Wisconsin, United States |
|
| 2. William A. McMahon |
|
| B: |
9 Jun 1875 |
| P: |
Rio, Columbia County, Wisconsin, United States |
| M: |
1905 |
| P: |
|
| D: |
24 Oct 1948 |
| P: |
Doylestown, Columbia, Wisconsin, United States |
|
| 4. Hugh Peter McMahon |
|
| B: |
5 Apr 1824 |
| P: |
, , , Ireland |
| M: |
2 Sep 1855 |
| P: |
Portage, Columbia County, Wisconsin, United States |
| D: |
4 Apr 1908 |
| P: |
Fountain Prairie, Columbia, Wisconsin, United States |
|
| 8. Edward Matthew McMahon |
|
| B: |
18 May 1786 |
| P: |
, , , Ireland |
| M: |
|
| P: |
|
| D: |
18 Jun 1869 |
| P: |
Doylestown, Columbia, Wisconsin, United States |
|
1906 - 1925 (19 years)