| Name | Meaning | Gender | Origin |
|---|
| Dublin | | Male | Hebrew |
| Dudley | The people's meadow | Male | English |
| Duffy | Dark Faced | Female | Celtic |
| Dugan | to be worthy | Male | Irish |
| Eamon | wealthy protector | Male | Irish |
| Eilis | Irish form of Elizabeth consecrated to God
| Female | Irish |
| Elly | Torch | Unisex | English |
| Emmet | | Male | |
| Enya | fire | Female | Irish |
| Erin | peace, western island | Female | Irish |
| Fahey | From The Green Field | Unisex | Irish |
| Fallon | grandchild of the ruler, in charge | Male | Irish |
| Fenella | Irish name meaning white shouldered | Female | Celtic |
| Fergus | First choice: Man of strength.
| Male | Scottish |
| Finian | fair. Finians were warrior-followers of 3rd century legendary Irish hero Finn Mac Cumhail.
| Male | Irish |
| Finlay | fair heroe, sunbeam | Male | Irish |
| Finley | fair-haired hero | Female | Irish |
| Finn | Blond
| Male | Irish |
| Finnegan | fair. Finians were warrior-followers of 3rd century legendary Irish hero Finn Mac Cumhail.
| Male | Irish |
| Fiona | white, fair | Female | Scottish |
| Fitz | Son of
| Male | English |
| Fitzpatrick | Son of Patrick. Surname.
| Male | |
| Flanagan | red, ruddy | Male | Irish |
| Flynn | Son of a red-haired man. Surname.
| Male | Irish |
| Fogarty | exiled one | Male | Irish |