| Attestation(s) | Federated | Family Name | Given Names | Date of Birth | Place of Birth |
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| Cosman | Bertram Harry | 1898-09-07 | Upper Maugerville, NB |
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| Cosman | Edward Leroy | 1885-03-25 | Kingston, NB |
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| Cosman | Emery Springer | 1895-02-03 | Kingston, NB |
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| Cosman | Frank William | 1896-09-18 | Kingston, NB |
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| Cosman | Harley | 1898-10-20 | Springfield, NB |
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| Cosman | James | 1885-03-04 | Yarmouth, NS |
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| Cosman | John Wesley | 1878-03-02 | Studholm, NB |
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| Cosman | John Wesley | 1891-10-10 | Kingston, NB |
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| Cosman | Kenneth Bruce | 1897-01-06 | Forest City, NB |
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| Cosman | Millage Perry | 1896-04-16 | North Lake, NB |
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| Cosman | Peter Lawson | 1879-04-27 | Kingston, NB |
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| Cosman | Robert Douglas | 1900-04-14 | Debec Junction, NB |
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| Cosman | Roy | 1895-12-26 | Perry Settlement, NB |
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| Cosman | Walter Clarence | 1892-03-05 | Saint John, NB |