| Name | Meaning | Details |
|---|---|---|
| Dinah | God Has Judged | View Details |
| Dolan | Dark Haired | View Details |
| Donagh | Brown Warrior | View Details |
| Donahue | Brown-haired Chieftain | View Details |
| Donata | The Giving One | View Details |
| Donaver | Brown Black | View Details |
| Donnan | Brown | View Details |
| Donnelly | Brown-haired Chieftain | View Details |
| Donnigan | From The Family Of The Brown One | View Details |
| Donovan | Little Brown One | View Details |
| Dooley | Blackhaired Hero | View Details |
| Drummer | One Who Drums | View Details |
| Duane | Little Dark One | View Details |
| Dulal | Loved One | View Details |
| Dunn | Brown | View Details |