"England and Wales Death Registration Index 1837-2007," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2JZM-Q5F : 31 December 2014), Walter Collins, 1919; from "England & Wales Deaths, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Death, Hartlepool, Durham, England, General Register Office, Southport, England.