Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
TORR
As described in historical dictionaries
Patronymica Britannica (1860)
TORR. In tlie V. of England, a craggy eminence, or more generally a hill. Places specifically so called are Tor-Abbey, TorBryan, and Tor-Qnay, all in Devonshire De la Tor is the H.R. form.