"England and Wales Census, 1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:WKQH-7W2 : 7 May 2019), John Willoughby in household of William Willoughby, Harton, Durham, England, United Kingdom; from "1891 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 12, Durham county, subdistrict, The National Archives of the UK, Kew, Surrey.
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