| Name | Meaning | Gender | Origin |
|---|
| Gracie | Grace
| Female | English |
| Gregory | vigilant, a watchman | Male | Greek |
| Guinness | Brand of stout beer from Ireland. | Unisex | |
| Irish | People of Ireland. Also lucky - "The Luck of the Irish". | Unisex | |
| Ivy | ivy plant, a wine | Female | Plant |
| Jade | Jewel. Courageous and adoring.
| Female | Spanish |
| James | From Jacob - To fill the place of another, supplanter. | Male | English |
| Jameson | son of James | Male | English |
| John | God is merciful | Male | Hebrew |
| Jolly | Full of good humor and high spirits. | Unisex | |
| Karma | Fate or destiny (Hinduism and Buddhism) | Female | Hindi |
| Kate | Pure | Female | English |
| Katie | Variant of Katherine. Pure.
| Female | English |
| Keg | | Male | Hebrew |
| Keira | after the actress Keira Knightley | Female | Irish |
| Kelly | Lively: aggressive.
| Female | Irish |
| Kermit | free man | Male | Irish |
| Kerry | dark, dark-haired | Male | Irish |
| Kismet | fate, destiny | Female | Word |
| Kiwi | | Unisex | Hebrew |
| Lavender | Lavender, A Purple Flower | Female | English |
| Leaf | | Male | |
| Leif | heir, descendant | Male | Scandinavian |
| Liam | Form of William.
| Male | Irish |
| Lime | | Unisex | Hebrew |