| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 361 | Gear | Gaelic | Short. | M | |
| 362 | Gearald | Gaelic | Gaelic form of Gerald. | M | |
| 363 | Gervin | Gaelic | Rough. | M | |
| 364 | Giles | Gaelic | Servant. Famous bearer: the sixth century hermit St Giles was patron saint of cripples and beggars. | M | |
| 365 | Gille | Gaelic | Eathain - Gaelic form of Gillian. | M | |
| 366 | Gillean | Gaelic | A Scottish Gaelic name meaning St. John's servant. | M | |
| 367 | Gilleasbuig | Gaelic | Sacred and bold. | M | |
| 368 | Gillian | Gaelic | A Scottish Gaelic name meaning St. John's servant. | M | |
| 369 | Gilmore | Gaelic | Devoted. | M | |
| 370 | Gilroy | Gaelic | Serves the red-haired one, or ervant of the man with red hair. Both as a surname and given name. | M | |
| 371 | GioIlamhuire | Gaelic | Devoted. | M | |
| 372 | Giollanaebhin | Gaelic | Worships the saints. | M | |
| 373 | Giollaruaidh | Gaelic | Serves the red haired one. | M | |
| 374 | Gionnan | Gaelic | Fair skinned. | M | |
| 375 | Girven | Gaelic | Rough. | M | |
| 376 | Girvyn | Gaelic | Rough. | M | |
| 377 | Gleann | Gaelic | From the glen. | M | |
| 378 | Glen | Gaelic | Derived from the Gaelic 'gleana', meaning valley. Used both as a surname and given name. Famous bearer: American singer Glen Campbell. | M | |
| 379 | Glendale | Gaelic | Valley. | M | |
| 380 | Glendon | Gaelic | From the dark glen. | M | |