Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
POINT
As described in historical dictionaries
Patronymica Britannica (1860)
POINT. 1, Probably a corruption of Poyntz. 2. It may signify a small promontory or headland, as Start Point, Goldstoue Point, &c.