| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 241 | Eoghann | Celtic | Young. | M | |
| 242 | Eoin | Celtic | Young. | M | |
| 243 | Evan | Celtic | Young fighter. | M | |
| 244 | Ewan | Celtic | Young. | M | |
| 245 | Ewen | Celtic | Young. | M | |
| 246 | Ewyn | Celtic | Young. | M | |
| 247 | Farrel | Celtic | Brave. | M | |
| 248 | Farrell | Celtic | Brave. | M | |
| 249 | Fearghus | Celtic | Manly. | M | |
| 250 | Ferehar | Celtic | Mythical son of Uisneeh. | M | |
| 251 | Ferghus | Celtic | Manly. | M | |
| 252 | Fergus | Celtic | Manly. | M | |
| 253 | Ferris | Celtic | Rock. | M | |
| 254 | Fiacra | Celtic | Eagle. | M | |
| 255 | Fiacre | Celtic | Eagle. | M | |
| 256 | Finbar | Celtic | Blond. | M | |
| 257 | Finian | Celtic | Handsome. | M | |
| 258 | Finnbar | Celtic | Blond. | M | |
| 259 | Finnobarr | Celtic | Blond. | M | |
| 260 | Floyd | Celtic | Gray. | M | |