| 1. Stephen James McMahon |
 |
| B: |
9 Dec 1873 |
| P: |
Doylestown, Columbia, Wisconsin, United States |
| D: |
16 Apr 1957 |
| P: |
Chippewa Falls, Chippewa, Wisconsin, United States |
|
| 2. John Edward McMahon |
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| 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 |
|
| 4. Edward Matthew McMahon |
|
| B: |
18 May 1786 |
| P: |
, , , Ireland |
| M: |
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| P: |
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| D: |
18 Jun 1869 |
| P: |
Doylestown, Columbia, Wisconsin, United States |
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| 8. |
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1873 - 1957 (83 years)