| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 241 | Darchelle | Irish | Dark. | F | |
| 242 | Darci | Irish | Dark. | F | |
| 243 | Darcia | Irish | Dark. | F | |
| 244 | Darcie | Irish | Dark. | F | |
| 245 | Darcy | Irish | Dark. | F | |
| 246 | Darerca | Irish | Name of a saint. | F | |
| 247 | Dearbhail | Irish | True desire. | F | |
| 248 | Decla | Irish | Feminine form of Declan the name of a saint. | F | |
| 249 | Dedre | Irish | Sorrowful. | F | |
| 250 | Deedra | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 251 | Deidra | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 252 | Deidre | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 253 | Deirdra | Irish | Melancholy. A variant of the older name Deirdre. In Celtic legend Deirdre died of a broken heart. | F | |
| 254 | Deirdre | Irish | Raging, broken-hearted, or fear. The Deirdre of Irish and Scottish legend committed suicide after her lover's murder. | F | |
| 255 | Derforgal | Irish | Servant of Dervor. | F | |
| 256 | Derforgala | Irish | Servant of Dervor. | F | |
| 257 | Derry | Irish | Oak grove. | F | |
| 258 | Derval | Irish | True desire. | F | |
| 259 | Dervilia | Irish | True desire. | F | |
| 260 | Dervla | Irish | True desire. | F | |