Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
OLIVE
As described in historical dictionaries
Patronymica Britannica (1860)
OLIVE. OLLIVE. The well-known baptismal or personal name, Olaf, borne by various Norwegian, Danish, and Swedish niouarchs. In Domesday, a tenant in chief called Olaf occurs in Northamptonshire.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English