| Name | Meaning | Gender | Origin |
|---|
| Gianni | God is gracious | Male | Italian |
| Gizmo | A mechanical device or gadget. | Unisex | |
| Graham | gravelly homestead | Male | Scottish |
| Grayson | son of the bailiff | Male | English |
| Greyson | son of the steward | Male | English |
| Gunnar | bold warrior | Male | Scandinavian |
| Gunner | bold warrior | Male | Scandinavian |
| Gus | From Gustave - Staff of the Goths | Male | English |
| Harlan | rocky land | Male | |
| Harrison | Son of Harry Surname.
| Male | English |
| Harvey | as in The Pooka | Male | |
| Hawkeye | Having very keen eyesight. | Male | |
| Henry | ruler of the home | Male | |
| Hilary | cheerful, happy | Male | Latin |
| Hudson | Hugh's son | Male | English |
| Hugo | Intelligent
| Male | Latinized |
| Hunter | A hunter. One who searches for something | Male | English |
| Ian | Form of John | Male | Scottish |
| Isaac | laughing one | Male | Hebrew |
| Isaiah | salvation of the Lord | Male | Hebrew |
| Izzy | Salvation By God | Male | English |
| Jack | after the Georgetown University mascot, Jack the Bulldog | Male | English |
| Jack | From John - God's gracious gift | Male | English |
| Jackson | Son of Jack | Male | English |
| Jacob | The supplanter, held by the heel | Male | Hebrew |