| Name | Meaning | Gender | Origin |
|---|
| Georgia | farmer, to work the earth | Female | English |
| Gilly | | Female | |
| Gina | silvery | Female | English |
| Gladys | Lame | Female | Welsh |
| Gloria | glory | Female | Latin |
| Grace | after Grace Kelly | Female | |
| Hagar | flight or forsaken | Female | Hebrew |
| Haley | hay field | Female | English |
| Halo | Circle of light surrounding the sun or moon. Luminous ring around the head of religious figures. | Unisex | |
| Hammer | A Hammer | Unisex | Scandinavian |
| Harmony | A beautiful blending. Simultaneous sounding of two or more tones, especially chords. Also a pleasing combination of elements in a whole. | Female | Word |
| Harper | Harpist: minstrel.
| Female | English |
| Herbie | From Herbert - Brilliant warrior | Unisex | |
| Holley | Holly | Unisex | English |
| Hondo | | Unisex | Hebrew |
| Horowitz | | Unisex | Hebrew |
| Huey | Intelligent | Unisex | English |
| Hummel | | Unisex | Hebrew |
| J.C. | Just Cat | Unisex | |
| Jazzy | Modern variant of Jasmine: combination of Jocelyn and the musical term jazz.
| Female | |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jenny | Diminutive of Jane and Jennifer.
| Female | English |
| Jerry Lee | after Jerry Lee Lewis | Unisex | |
| Jovi | after Jon Bon Jovi | Unisex | |
| Katie | Variant of Katherine. Pure.
| Female | English |