There are 42 unique surnames beginning with C:

Cahill	Callaway	Cameron	Canby	Carey	Cartmell	Caryl
Cashell	Cassil	Chaplin	Cheney	Chenoweth	Cherry	Clark
Clevenger	Cline	Coats	Cole	Coleman	Coleman Eufinger	Collier
Collins	Comer	Cone	Conklin	Conkright	Conrad	Cooly
Coons	Cooper	Copeland	Core	Corwin	Court	Cowgill
Crandell	Cranston	Crary	Cross	Curry	Curtis	Cutler

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