| Name | Meaning | Gender | Origin |
|---|
| Galvin | Sparrows | Male | Gaelic |
| Gardenia | Garden's flower | Female | Latin |
| Garret | Strength of the spear | Male | Germanic |
| Garrett | Strength of the spear | Male | Germanic |
| Gauri | White | Female | Sanskrit |
| Gavan | White Hawk. From The Medieval Name Gawain. See Also Gwayne. | Male | English |
| Gaven | White Hawk | Male | English |
| Gavin | White hawk of battle | Male | Welsh |
| Gavyn | White hawk of battle | Male | Welsh |
| Gawain | White hawk of battle | Male | Welsh |
| Gaynor | Son Of The Blond Man | Male | English |
| Gem | Gemstone | Unisex | English |
| Gemma | Jewel | Female | Latin |
| Genevieve | Uncertain, perhaps woman of the people | Female | Germanic |
| Genica | | Female | Hebrew |
| Genna | White | Female | Cornish |
| Ghost | A haunting spirit or memory. One who moves noiselessly. | Unisex | English |
| Goose | | Unisex | Hebrew |
| Granger | Farm bailif | Male | French |
| Gucci | | Unisex | Hebrew |
| Guenevere | Fair One. Guinevere Was King Arthur's Mythological Queen. Jennifer Derives From This Name. | Female | English |
| Guinevere | White | Female | Welsh |
| Gunnar | Battle | Male | Norse |
| Gunner | Battle | Male | Norse |
| Gwen | White, fair, blessed | Female | Welsh |
| Gwendolyn | White ring | Female | Welsh |
| Gwenllian | White flaxen | Female | Welsh |
| Gwyn | White, fair | Female | Welsh |
| Gwyneth | Fair | Female | Welsh |
| Hailey | Hay clearing or hay woods | Female | English |