| Name | Meaning | Details |
|---|---|---|
| Claudius | Fair | View Details |
| Cledwyn | Hard And Fair | View Details |
| Crispin | Curly Haired | View Details |
| Crispina | Curly Haired | View Details |
| Crispus | Curly-Haired | View Details |
| Devin | Descendant Of The Dark-haired One | View Details |
| Dolan | Dark Haired | View Details |
| Donahue | Brown-haired Chieftain | View Details |
| Donnelly | Brown-haired Chieftain | View Details |
| Dooley | Blackhaired Hero | View Details |
| Doyle | Dark Foreigner | View Details |
| Eavan | Fair Radiance | View Details |
| Elu | Fair | View Details |
| Fairfax | Fair Haired | View Details |
| Faxon | Thick-Haired | View Details |