Family: Donald Lawrence MASON / Mrs. Catherine J MASON (F517)
Arthur Herbert MASON (1862-1916) 
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| Jean G MASON (1889- ) |
| Charles M Inglis MASON (1889- ) |
Islay Stuart MASON (1894-1942)  |
| Edna Victoria MASON (1895- ) |
| Carol Irene MASON (1899- ) |
| William Lorne Charles MASON (1901-1959) |
| Donald Lawrence MASON (1903-1973)
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| Mrs. Catherine J MASON (1905-1974) |