| Name | Meaning | Gender | Origin |
|---|
| Gage | a pledge, a pawn | Male | |
| Garnet | Dark red gemstone | Female | |
| Gipsy | Derived From Egyptian. To Describe Wandering Tribes Of Dark Caucasians Who Migrated From India To Europe In The Fifteenth Century. | Unisex | English |
| Glacier | A huge mass of ice moving slowly. | Male | |
| Gomez | | Male | Hebrew |
| Gomez | | Male | Hebrew |
| Gossamer | | Unisex | Hebrew |
| Gotham | | Unisex | Hebrew |
| Granite | | Male | Hebrew |
| Gray | English, the son of the bailiff | Male | Color |
| Gregory | vigilant, a watchman | Male | Greek |
| Grendel | Legend Name | Unisex | Anglo-Saxon |
| Grey | Gray-Haired. | Male | English |
| Grimm | Fierce | Unisex | Anglo-Saxon |
| Griselda | French for gray | Female | |
| Guadalupe | Named for the Virgin Mary
| Female | Spanish |
| Hades | World of the dead or hell. | Male | |
| Hadrian | dark-haired | Male | Latin |
| Hannibal | grace of Baal, god of fertility and fortune | Male | Punic |
| Hawk | hawk, a bird | Male | Nature |
| Hecate | Mythical Witchcraft Goddess | Unisex | Greek |
| Hero | demi-god | Male | Greek |
| Hester | star | Female | Medieval |
| Hitchcock | | Unisex | Hebrew |
| Indigo | A dark blue plant dye | Female | Greek |