| 1. Edward J. McMahon |
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| B: |
1870 |
| P: |
, , Wisconsin, United States |
| D: |
24 Apr 1939 |
| P: |
Mauston, Juneau, Wisconsin, United States |
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| 2. Philip H. McMahon |
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| B: |
1824 |
| P: |
, , , Ireland |
| M: |
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| P: |
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| D: |
3 Aug 1910 |
| P: |
Wyocena, Columbia County, Wisconsin, United States |
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| 4. Edward Matthew McMahon |
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| 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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1870 - 1939 (69 years)