Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
WREN
As described in historical dictionaries
Patronymica Britannica (1860)
TRE WREN. The family were seated at Drift' in the parish of Sancreed, in the year 1.340. C. S. Gilbert's Cornwall. It is doubtless a Tre of Cornish growth.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English