| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 301 | Eamonn | Gaelic | Rich protector. | M | |
| 302 | Eanrin | Gaelic | Handsome. | M | |
| 303 | Egan | Gaelic | Young fighter. | M | |
| 304 | Egann | Gaelic | Variant of Egan: Fire. | M | |
| 305 | Egon | Gaelic | Young fighter. | M | |
| 306 | Eideard | Gaelic | Rich guardian. | M | |
| 307 | Ennis | Gaelic | The only choice. | M | |
| 308 | Eoghan | Gaelic | Young fighter. | M | |
| 309 | Eoghann | Gaelic | Young fighter. | M | |
| 310 | Erin | Gaelic | Peace; Poetic name for Ireland. | M | |
| 311 | Fagen | Gaelic | Ardent. | M | |
| 312 | Fagin | Gaelic | Ardent. | M | |
| 313 | Faodhagan | Gaelic | Ardent. | M | |
| 314 | Faolan | Gaelic | Little wolf. | M | |
| 315 | Farquhar | Gaelic | Very dear. | M | |
| 316 | Farrell | Gaelic | Victorious. | M | |
| 317 | Fearbhirigh | Gaelic | Wealthy or stubborn. | M | |
| 318 | Fearcher | Gaelic | Very dear. | M | |
| 319 | Fearghall | Gaelic | Victorious. | M | |
| 320 | Fearghus | Gaelic | Rock. | M | |