Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
RAINE
As described in historical dictionaries
Patronymica Britannica (1860)
RAINE. RAYNE. The northern families probably sprang from Rayne, co. Aberdeen ; the southern from Raiue, co. Essex.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English