| Name | Meaning | Gender | Origin |
|---|
| Hughes | Surname.
| Male | |
| Hungas | One vigor
| Male | |
| Hurley | after the skateboard brand | Male | Irish |
| Ida | prosperous | Female | |
| Iona | flower name, purple jewel | Female | Scottish |
| Iris | rainbow, a play of colours | Female | |
| Irish | People of Ireland. Also lucky - "The Luck of the Irish". | Unisex | |
| Jana | Feminine variation of John | Female | Czech |
| Joyce | after James Augustine Aloysius Joyce, Irish writer and poet | Female | Latin |
| Justin | just, true | Male | Latin |
| Kane | tribute, warrior; the doubly-accomplished, golden; man, the eastern sky; beautiful | Male | Celtic |
| Kathleen | Innocent
| Female | Anglicized |
| Kavan | battle | Male | |
| Keegan | A thinker: fiery. Form of Hugh.
| Male | Irish |
| Keely | Beautiful | Unisex | Irish |
| Keelyn | Lively: aggressive. Variant of Kelly.
| Female | |
| Keenan | Ancient
| Male | Irish |
| Keenat | Archaic
| Female | |
| Keene | Ancient.
| Male | |
| Keenon | Surname.
| Male | |
| Keeva | gentle, beautiful, precious | Female | Irish |
| Kegan | A thinker: fiery. Form of Hugh.
| Male | |
| Keiran | Little, Dark | Unisex | Celtic |
| Kelly | Lively: aggressive.
| Female | Irish |
| Kelsey | Ceol's island, beautiful island; from the ship's island, shipping harbor | Female | English |