"England and Wales Census, 1861," database with images, FamilySearch(https://www.familysearch.org/ark:/61903/1:1:M7R3-6CZ : 3 March 2021), Margaret Thompson in household of Mary Devitt, Liverpool, Lancashire, 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.