"England and Wales Birth Registration Index, 1837-2008," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:26TM-NVY : 1 October 2014), Charles Ephraim Willis, 1859; from "England & Wales Births, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Birth Registration, Braintree, Essex, England, citing General Register Office, Southport, England.
"England and Wales Census, 1861," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M7CS-LV9 : 11 December 2017), Charles E Willis in household of John Willis, White Notley, Essex, England; from "1861 England, Scotland and Wales census," database and images, findmypast (http://www.findmypast.com : n.d.); citing PRO RG 9, The National Archives, Kew, Surrey.