A corruption of Chapman; a trader, a shopman.
Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
CHAPIN
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
A corruption of Chapman; a trader, a shopman.
Region of origin: Europe
Country of origin: France
Language of origin: French