"England and Wales Birth Registration Index, 1837-2008," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2X28-LH4 : 1 October 2014), Leonard Douglas Blackman, 1883; from "England & Wales Births, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Birth Registration, Milton, Kent, England, citing General Register Office, Southport, England.
"England and Wales Census, 1891," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKLM-8W2 : 15 October 2015), Leonard Blackman in household of Thomas Blackman, Milton, Kent, England; from "1891 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 12, Kent county, subdistrict, The National Archives of the UK, Kew, Surrey.
"England and Wales Census, 1901," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:X9FB-SBD : 29 August 2015), Leonard Blackman in household of Thomas Blackman, Milton Next Sittingbourne, Kent, England; from "1901 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing Milton subdistrict, PRO RG 13, The National Archives, Kew, Surrey.
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