| Attestation(s) | Federated | Family Name | Given Names | Date of Birth | Place of Birth |
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| McMahon | Cecil | 1896-04-24 | Letete, NB |
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| McMahon | Dennis Edmond | 1892-07-28 | Canous, NB |
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| McMahon | Frederick John | 1884-10-23 | Chatham, NB |
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| McMahon | George Albert | 1895-08-10 | Tracadie, NB |
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| McMahon | Harold Francis | 1901-01-03 | Saint John, NB |
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| McMahon | Howard | 1896-06-16 | Saint John, NB |
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| McMahon | John | 1888-02-05 | Stockport, England |
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| McMahon | John William | 1897-09-28 | Chatham, NB |
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| McMahon | Leroy Joseph | 1897-08-11 | -- |
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| McMahon | William Andrew | 1889-03-17 | Bolton, England |
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| McMahon | William Leo | 1891-07-07 | -- |
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| McMahon | William Roy | 1899-03-09 | Saint John, NB |