| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 681 | Deidra | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 682 | Deidre | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 683 | Deirdra | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 684 | Deirdre | Irish | Raging, broken-hearted, or fear. The Deirdre of Irish and Scottish legend committed suicide after her lover's murder. | F | |
| 685 | Delaine | Irish | From the elder tree grove. | M | |
| 686 | Delainey | Irish | Variant of Delaney: Competitor's child; from the river Slaney. | M | |
| 687 | Delainy | Irish | Variant of Delaney: Competitor's child; from the river Slaney. | M | |
| 688 | Delancy | Irish | From the elder tree grove. | M | |
| 689 | Delane | Irish | From the elder tree grove. | M | |
| 690 | Delaney | Irish | Competitor's child; from the river Slaney. | M | |
| 691 | Delano | Irish | From the elder tree grove. | M | |
| 692 | Delany | Irish | Variant of Delaney: Competitor's child; from the river Slaney. | M | |
| 693 | Dempsey | Irish | Proud. | M | |
| 694 | Deoradhain | Irish | Exile. | M | |
| 695 | Derby | Irish | Diminutive of Diarmait: Free from envy. | M | |
| 696 | Derforgal | Irish | Servant of Dervor. | F | |
| 697 | Derforgala | Irish | Servant of Dervor. | F | |
| 698 | Dermod | Irish | Variant of Dermot: Free from jealosy. | M | |
| 699 | Dermot | Irish | Free from envy. From Diarmait or Diarmuid. Famous bearer: 12th century Irish king Dermot MacMurrough. | M | |
| 700 | Dermott | Irish | Variant of Dermot: Free from jealosy. | M | |