Hope this is the right one in London. There are several in North Carolina by the same name.
William Henry Joyner
England and Wales Birth Registration Index
||William Henry Joyner|
||London City, London, England|
England and Wales Birth Registration Index, 1837-2008
Citing this Record
"England and Wales Birth Registration Index, 1837-2008," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:2XNY-XV9 : 1 October 2014), William Henry Joyner, 1880; from "England & Wales Births, 1837-2006," database, findmypast (http://www.findmypast.com : 2012); citing Birth Registration, London City, London, England, citing General Register Office, Southport, England.