Calvin
From the Latin, 'bald', this derives from the French surname, Chauvin.
Cameron
From the Gaelic, 'crooked nose'.
Carl
A German form of Charles.
Chapman
From the Old English, 'trade'.
Charles
From the Old German, 'man'.
Clark
Means 'one who is learned'.
Claude
From the Latin, meaning 'lame'.
Clive
From the Old English, 'steep, high rockface'.