Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LUCAS
As described in historical dictionaries
Patronymica Britannica (1860)
LUCAS. Gr. and Lat. Luke. Why the name of this evangelist should have become a family name in its original form, while the other three are only so in their anglicised shape, is not apparent. The Encycl. Herald, assigns eleven diflerent coats to Lucas, but only one to Luke.
Surname type: From name of parent
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English