"England and Wales Census, 1881," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q275-1KKC : 13 December 2017), Dorothy Mercer in household of Thomas Mercer, Lytham, Lancashire, England; from "1881 England, Scotland and Wales Census," database and images, findmypast (http://www.findmypast.com : n.d.); citing p. 25, Piece/Folio 4251/120, The National Archives, Kew, Surrey; FHL microfilm 101,775,198.
"England and Wales Census, 1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QYHB-2N2 : 23 February 2021), Dorothy Mercer in household of Thomas Mercer, Lytham, Lancashire, England, United Kingdom; from "1891 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 12, Lancashire county, subdistrict, The National Archives of the UK, Kew, Surrey.
"England and Wales Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:X9K3-ZTW : 21 May 2019), Dorothy Mercer in household of Thomas Mercer, Lytham, Lancashire, England, United Kingdom; from "1901 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing Lytham subdistrict, PRO RG 13, The National Archives, Kew, Surrey.
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