| 1. Ervine Patrick McMahon |
 |
| B: |
18 Oct 1897 |
| P: |
Doylestown, Columbia, Wisconsin, United States |
| D: |
25 Nov 1969 |
| P: |
Madison, Dane County, Wisconsin, United States |
|
| 2. Edward F. McMahon |
|
| B: |
9 Aug 1872 |
| P: |
, , Wisconsin, United States |
| M: |
8 Feb 1893 |
| P: |
Doylestown, Columbia, Wisconsin, United States |
| D: |
9 Apr 1930 |
| P: |
Webster, Hamilton, Iowa, United States |
|
| 4. John Edward McMahon |
|
| B: |
27 Mar 1840 |
| P: |
County Monaghan, Ireland |
| M: |
15 Nov 1863 |
| P: |
Fox Lake, Dodge, Wisconsin, United States |
| D: |
28 Sep 1914 |
| P: |
Doylestown, 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 |
|
1897 - 1969 (72 years)