A Strathclyde-Briton family from the Scottish/English Borderlands was the first to use the surname Campbell. It is a name for a person with a crooked mouth, or crooked smile. This nickname surname is derived from the Gaelic words "cam" and "beul," meaning "crooked" and "mouth." Nicknames were a common source for surnames; in general, they came from the physical characteristics, behavior, mannerisms and other attributes of the bearer.
First found in Argyllshire where they held a family seat from early times.
Campbell, Cambell, Cambel, Camble, Cammell
There are at least 4,194 profiles on Geni with the name Campbell.