"England and Wales Census, 1841," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MQ1Y-S5K : 7 March 2021), William Allen in household of Edward Farrer, Spalding, Lincolnshire, England, United Kingdom; from "1841 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives, Kew, Surrey.
"England and Wales Census, 1851," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SGFN-DHY : 9 November 2019), William Allen, Weston, Lincolnshire, England; citing Weston, Lincolnshire, England, p. 2, from "1851 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO HO 107, The National Archives of the UK, Kew, Surrey.
"England and Wales Census, 1861," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M7NZ-55X : 3 March 2021), William Allen, Little Berkhampstead, Hertfordshire, England, United Kingdom; from "1861 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 9, The National Archives, Kew, Surrey.
"England and Wales Marriage Registration Index, 1837-2005," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2DVV-8S5 : 13 December 2014), William Allen, 1863; from “England & Wales Marriages, 1837-2005,” database, findmypast (http://www.findmypast.com : 2012); citing 1863, quarter 4, vol. 1D, p. 849, Camberwell, London, England, General Register Office, Southport, England.
"England and Wales Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q27Z-LYZ5 : 13 December 2017), William Allen, Little Berkhampstead, Hertfordshire, England; from "1881 England, Scotland and Wales Census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 17, Piece/Folio 1424/91, The National Archives, Kew, Surrey; FHL microfilm 101,774,598.
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