| Attestation(s) | Federated | Family Name | Given Names | Date of Birth | Place of Birth |
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| Clarkson | David Birrell | 1888-10-13 | Northfleet, England |
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| Clarkson | David William | 1891-09-11 | Cross Creek, NB |
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| Clarkson | Edward Lewis | 1895-09-09 | Williamsburg, NB |
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| Clarkson | Elmer Herbert | 1899-08-08 | Stanley, NB |
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| Clarkson | Fred Albert | 1897-05-24 | Williamsburg, NB |
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| Clarkson | James Turner | 1886-04-23 | -- |
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| Clarkson | John Edgar | 1897-03-25 | Willmar, SK |
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| Clarkson | Joseph Reid | 1887-11-27 | Scotland |
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| Clarkson | Robert Stanley | 1893-08-31 | -- |
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| Clarkson | Thomas Henry | 1890-12-28 | -- |
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| Clarkson | William Albion | 1896-03-24 | Chilliwack, BC |