Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
CROSBY
As described in historical dictionaries
Patronymica Britannica (1860)
CROSBY. Parishes, &c. in cos. Ayr, Cumberland, Lincoln, York, Westmoreland, and Lancaster, and an ancient chapelry in Ayrshire.
Surname type: Location or geographical feature
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English