Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
WALES
As described in historical dictionaries
Patronymica Britannica (1860)
WALES. 1. From the country — like Ireland, Scotland, &c. 2. From a parish so called in co. York.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English