| Sources |
- [S978] Ancestry Family Trees, Anderson Bennett Allsopp Family Tree; Dilys83; USA; Allsop; Dilys83 7cM.
- [S1243] U.S. Naturalization Records, 1840-1957, National Archives and Records Administration (NARA); Washington, D.C.; Naturalization Records of the U.S. District Court for the Western District of Washington, 1890-1957; Microfilm Roll: 152; Microfilm Serial: M1542.
- [S1244] Census: United States 1930 Federal [A], Year: 1930; Census Place: Manhattan, New York, New York; Page: 11B; Enumeration District: 0272; FHL microfilm: 2341294.
- [S1245] 1921 Census of Canada [A], Household of Katherine Mary Parker; Canada; Nova Scotia; Halifax; RG 31; Folder 43; Page 5.
- [S1312] UK Civil Registrations [GRO], Lucy Allsop; Birth; 1907; September; South Stoneham; Vol. 2c; Page 91; 19 July 2025.
- [S1242] London, England, Church of England Marriages and Banns, 1754-1940 [A], John Allsop + Kate Allsop; 18 April 1903; Lambeth; Page 21; No. 42; 19 July 2025.
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