Crosby Family History
Crosby Surname Meaning
English: habitational name from any of various places called with Old Norse kross ‘cross’ + bȳ ‘farm settlement’ in Lancashire, Cumberland, Westmorland, North Yorkshire, and Lincolnshire.
Irish: surname adopted by bearers of the Gaelic name Mac an Chrosáin (see McCrossen).
Source: Dictionary of American Family Names 2nd edition, 2022
