| Name | Meaning | Gender | Origin |
|---|
| Bruce | thicket, woodlands | Male | Scottish |
| Caesar | Title for Roman Emperors | Male | Latin |
| Calvert | Shepherd | Unisex | |
| Caradoc | Dearly loved
| Male | Welsh |
| Casimir | announcing peace | Male | Polish |
| Cathal | Battle Strong | Unisex | Irish |
| Charles | manly, strong | Male | |
| Christian | annointed, follows Christ | Male | Greek |
| Clarence | bright | Male | Latin |
| Claude | Lame.
| Male | |
| Clovis | clover | Male | Teutonic |
| Connor | lover of hounds | Male | Irish |
| Conrad | brave counsel | Male | |
| Constantine | steadfast | Male | Latin |
| Cornelius | horn | Male | Latin |
| Cyrus | throne | Male | Persian |
| Daedalus | craftsman | Male | Greek |
| Darius | protector | Male | |
| David | Dearly loved
| Male | Hebrew |
| Derby | From Darby - Freeman. Various annual horse races. Also hat with a narrow brim and round crown. | Male | English |
| Derek | and brother Domino, from the '70s rock group Derek and the Dominoes | Male | English |
| Dick | Powerful, Brave Ruler | Male | English |
| Dirk | English from German form of THEODORIC, the people's ruler | Male | Flemish |
| Don | World Leader | Male | English |
| Donald | ruler of the world, brown stranger | Male | Scottish |