| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 1021 | Garbhan | Irish | Rough. | M | |
| 1022 | Garran | Irish | Guards; guardian. | M | |
| 1023 | Garret | Irish | Hard or bold spear. An Irish variant of the German Gerard, based on medieval pronunciation. Famous bearer: Irish statesman Garret FitzGerald. | M | |
| 1024 | Garrity | Irish | Surname. | M | |
| 1025 | Garry | Irish | Diminutive of Garret: Hard or bold spear. An Irish variant of the German Gerard, based on medieval pronunciation. Famous bearer: Irish statesman Garret FitzGerald. | M | |
| 1026 | Garvan | Irish | Rough. | M | |
| 1027 | Garve | Irish | Rough; rugged. | M | |
| 1028 | Garvey | Irish | Rough peace. | M | |
| 1029 | Garvin | Irish | Rough; rugged. | M | |
| 1030 | Gary | Irish | Diminutive of Garret: Hard or bold spear. An Irish variant of the German Gerard, based on medieval pronunciation. Famous bearer: Irish statesman Garret FitzGerald. | M | |
| 1031 | Gearoid | Irish | Spearbrave. | M | |
| 1032 | Geraghty | Irish | From the court. | M | |
| 1033 | Geralt | Irish | Fanner. | M | |
| 1034 | Gikhrist | Irish | Serves Christ. | M | |
| 1035 | Gil | Irish | Serves Christ. | M | |
| 1036 | Gilbride | Irish | Serves Saint Bridget. | M | |
| 1037 | Gildea | Irish | Golden. | M | |
| 1038 | Gilibeirt | Irish | Pledge. | M | |
| 1039 | Gilley | Irish | Serves Christ. | M | |
| 1040 | Gilvarry | Irish | Serves Christ. | M | |