family name, from Gael. caimbeul "wry or crooked mouth," from cam "crooked, deformed, one-eyed, cross-eyed." Also in surname Cameron, from Gael. camshron "wry or hooked nose" (in the Highland clan; the Lowland name is for a locality in Fife). Campbellite is 1830, follower of Alexander Campbell, preacher from Virginia, U.S.A. They called themselves Disciples.