Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
WINE
As described in historical dictionaries
Patronymica Britannica (1860)
PORT WINE. A singular corruption of Poitevin, a native of Poitou in France. So early as the time of Edward I. the corruption had proceeded as far as toPotewyne, a lady called Preciosa Potewyne occurring in H.R.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English