| Sources |
- [S1119] Correspondence: Jo Mason, Email.
- [S1282] 1939 England and Wales Register [A], Household of Willima H Allsop; Oxfordshire; Oxford; RG101/2174g; Line 33; Schedule 301; RD 153; 1 April 2024.
- [S1084] England & Wales, Civil Registration Birth Index, 1837-1915 [A], William Harding Allsop; Birth; 1905; June; Lambeth; Vol. 1d; Page 470; 1 April 2024.
- [S1083] England & Wales, Civil Registration Death Index, 1837- 2007 [A], William Harding Allsop; Death; 1971; June; Abingdon; Vol. 6a; Page 8; 1 April 2024.
- [S1085] England & Wales, Civil Registration Marriage Index, 1837- 2005 [A], William H Allsop + Doris F Clayton; Marriage; 1927; June; Croydon; Vol. 2a; Page 789; 1 April 2024.
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