"England and Wales Birth Registration Index, 1837-2008," database, FamilySearch (
https://familysearch.org/ark:/61903/1:1:2NCN-1SY : 1 October 2014), William Mcmurdo Sweet, 1860; from "England & Wales Births, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Birth Registration, Ashby De La Zouch, Leicestershire, England, citing General Register Office, Southport, England.