Billyeald Family History
Billyeald Surname Meaning
from an Old French form of the Continental Germanic female personal name Bilihildis (from *bil- ‘sword’ + *hild- ‘battle’). In Old French and Anglo-Norman French it developed to Bileheld Billeheud Bil(h)ald Biliald Bil(h)old and Biliold.
For similar changes of vowel in the final element compare Isild -eld -ald -old under Izzard.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
