Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
PROUD
As described in historical dictionaries
Patronymica Britannica (1860)
PROUD. Fidler makes it a corruption of Prude. Worthies ii. 1S3. It would, therefore, mean sage, rather than arrogant.
Surname type: Nickname
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English