"England and Wales Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:XSJX-887 : 8 April 2016), Charles Frederick Leonard in household of Arthur Charles Leonard, Derby, Derbyshire, England; from "1901 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing Derby subdistrict, PRO RG 13, The National Archives, Kew, Surrey.
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