| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 281 | Dubhain | Irish | Dark. | F | |
| 282 | Dubheasa | Irish | Dark beauty. | F | |
| 283 | Duvessa | Irish | Dark beauty. | F | |
| 284 | Dymphna | Irish | Variant of Dympna: From the Irish name Damhnait, meaning fit or eligible. Famous bearer: The martyr St Dympna, patron Saint of the insane. | F | |
| 285 | Dympna | Irish | From the Irish name Damhnait, meaning fit or eligible. Famous bearer: The martyr St Dympna, patron Saint of the insane. | F | |
| 286 | Ealga | Irish | Noble. | F | |
| 287 | Eavan | Irish | Fair. | F | |
| 288 | Edana | Irish | Feminine form of Aidan: fire. | F | |
| 289 | Eibhlhin | Irish | Light. | F | |
| 290 | Eibhlin | Irish | Derived from the name Evelyn or Evelina. | F | |
| 291 | Eila | Irish | Variant of Evelyn. | F | |
| 292 | Eileen | Irish | Light. From the name Eibhlin, derived from Evelyn or Evelina. | F | |
| 293 | Eileene | Irish | Variant of Evelyn. | F | |
| 294 | Eilena | Irish | Variant of Evelyn. | F | |
| 295 | Eilene | Irish | Variant of Evelyn. | F | |
| 296 | Eilinora | Irish | Light. | F | |
| 297 | Eilis | Irish | Irish form of Elizabeth: consecrated to God. | F | |
| 298 | Eily | Irish | Light. | F | |
| 299 | Eistir | Irish | Irish form of Esther: star. | F | |
| 300 | Eithna | Irish | Feminine form of Aidan: fire. | F | |