| Attestation(s) | Federated | Family Name | Given Names | Date of Birth | Place of Birth |
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| Brennan | Arthur Roland | 1882-12-25 | Summerside, PE |
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| Brennan | Franklin James | 1897-02-19 | Ottawa, ON |
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| Brennan | George | 1874-04-12 | Halifax, NS |
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| Brennan | James | 1875-08-15 | Manchester, England |
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| Brennan | John | 1896-07-26 | Little Bartibog, NB |
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| Brennan | John Henry | 1887-04-18 | Halifax, NS |
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| Brennan | John Joseph | 1898-07-01 | Saint John, NB |
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| Brennan | Joseph | 1892-12-07 | Forks, NB |
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| Brennan | Michael | 1891-10-23 | Montreal, QC |
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| Brennan | Patrick Augustine | 1890-06-23 | West Bathurst, NB |
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| Brennan | Robert Henry | 1897-09-25 | Forks, NB |
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| Brennan | Thomas Joseph | 1895-08-24 | Bath, NB |
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| Brennan | Timothy | 1889-10-25 | St. John's, NF |
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| Brennan | William James | 1884-01-19 | Saint John, NB |