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- [S22717] Descendants of Mary Hascall and Samuel Whitmore, (compiled by Richard K. Hascall for the Haskell Family Association).
- [S30068] 1920 census, Michigan, Kalamazoo county.
- [S53798] Death index, New York, Name: Viola M Canavan Age: 64 Birth Date: abt 1886 Death Date: 12 Jan 1950 Death Place: Niagara Falls, New York , USA Certificate Number: 3565 (Reliability: 3).
- [S42077] 1930 census, New York, Niagara county.
- [S34565] Marriage record, Michigan, John W. Canahan and Viola Mae Becikdelt Mason.
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