| Name | Meaning | Gender | Origin |
|---|
| Gizmo | A mechanical device or gadget. | Unisex | English |
| Goober | Southern US term for peanut. Also chocolate covered peanuts | Unisex | English |
| Gracie | Good will | Female | Latin |
| Gretzky | | Unisex | Hebrew |
| Groucho | | Unisex | Hebrew |
| Guinevere | White | Female | Welsh |
| Haley | Hay clearing or hay woods | Female | English |
| Hammy | | Unisex | Hebrew |
| Harpo | | Unisex | Hebrew |
| Hayleigh | Hay clearing or hay woods | Female | English |
| Heidi | Noble one | Female | Germanic |
| Herbie | Bright army | Unisex | English |
| Hershey | Brand of chocolate. | Unisex | English |
| Hilary | Cheerful | Female | Latin |
| Hobart | Bright mind | Unisex | Germanic |
| Holly | Holly | Female | English |
| Honey | Honey | Female | English |
| Hooch | | Unisex | Hebrew |
| Hoover | Owner of a measure of land | Unisex | German |
| Indy | After Indiana Jones | Unisex | English |
| Iris | Rainbow | Female | Greek |
| Ivory | Ivory | Female | English |
| Jackie | God Has Been Gracious: Has Shown Favor. Based On John Or Jacques. Used More For Girls Than Boys. | Female | English |
| Jade | Precious green stone | Female | English |
| Jayla | Charity. | Female | American English |
| Jazz | The romantic music | Unisex | English |
| Jemima | A dove | Female | Hebrew |
| Jessie | God is gracious | Female | Hebrew |
| Jet | Black gemstone | Unisex | English |
| Jetta | Jet-black gemstone | Female | English |