| Name | Meaning | Gender | Origin |
|---|
| Gavin | White hawk
| Male | Celtic |
| Gawain | White Hawk | Male | Scottish |
| Genny | short for Generic Cat | Unisex | |
| Grey | Gray-Haired. | Male | English |
| Gwynneth | From Gwynaeth (Luck Or Happiness). Sometimes Associated With New Welsh County Name Gwynedd But That Has A Different (Although Ancient) Origin. | Unisex | Welsh |
| Haile | Hay Meadow | Unisex | English |
| Heimdall | Viking mythology: The guard of Bifrost | Unisex | |
| Hemlock | Type of pine tree. | Unisex | |
| Hey | | Unisex | Hebrew |
| Hod | Hooded
| Male | |
| Hollie | Holly | Unisex | English |
| Holmes | From the river island
| Male | English |
| Holton | | Unisex | Hebrew |
| Ice | Water frozen solid | Unisex | |
| Icey | | Unisex | Hebrew |
| Igloo | Dome shaped Eskimo house made of blocks of snow. | Unisex | |
| Irving | handsome, fair | Male | Scottish |
| Ivory | The hard, smooth, yellowish-white of an elephant's tusk. | Male | Word |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jasper | Black stone
| Male | Persian |
| Jay | jaybird | Male | Latin |
| Jen | White, Fair | Unisex | English |