| Gender | Baby Name | Meaning |
|---|---|---|
 | Declan | Full of Goodness |
 | Deirdra | She who chatters |
| Deirdre | She who chatters |
| Dempsey | Proud |
| Dermot | Free man |
| Desmond | Place Name in Ireland |
| Devan | Poet |
| Devin | Poet |
| Devlin | Fierce valor |
| Devon | Poet |
| Devona | Poet |
| Devonee | Poet |
| Doherty | Destroyer in Battle |
| Dolan | Dark Haired |
| Donagh | Brown Warrior |
| Donnel | World leader |
| Donovan | Dark |
| Doreen | Gift |
| Doyle | Stranger |
| Duane | Little dark one |
| Dympna | Little fawn |
| Eamon | Rich protector |
| Eavan | Fair Radiance |
| Edan | Little fire |
| Egan | Little fire |
| Eileen | Beautiful Bird |
| Eilley | Beautiful bird |
| Elish | Of Noble Kin |
| Ena | Ardent |
| Enye | Grace |
