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Irish names beginning with I are the hidden gems of the naming world. They are rarer than the A-names and B-names, which means choosing one feels like discovering a secret — and what secrets they are, from the tragic romance of Iseult to the island-calm of Inis.
Below you will find the most beautiful Irish I names for boys and girls, legendary figures who bore them, and short, luminous picks. Each comes with its true meaning and a pronunciation guide.
Irish I Names for Boys
Noble, ancient, and quietly powerful — I names for boys stand apart from the crowd.
| Name | Meaning |
|---|---|
| Iarlaith | From the Old Irish Iarlaith (EER-lah), the saint known in English as Jarlath |
| Iarla | Nobleman, earl (EER-la); from the Norse 'jarl,' naturalized in Irish |
| Irial | Borne by a legendary king of Ireland (EER-ee-al) |
| Íomhar | Yew archer (EE-var); the Irish form of Ivor, with Viking-age roots |
| Iollan | A warrior of the Fenian legends (UL-an) |
| Inis | Island (IN-ish); calm, elemental, and unisex |
| Iarfhlaith | Old variant form of Iarlaith, borne by saints |
| Iobhar | Yew (EE-var); an old form behind the name Ivor |
Irish I Names for Girls
Luminous and lyrical, these I names for girls feel like poetry.
Irish Names Generator
| Name | Meaning |
|---|---|
| Íde | Thirst (EE-da); the name of St. Íde of Killeedy, also known as St. Ita |
| Iseult | Fair lady (i-SOOLT); the tragic heroine of the Tristan legend, of Irish origin |
| Isla | Island; from Scottish Gaelic, deeply loved in Ireland today |
| Inis | Island; serene and beautifully simple, works for any child |
| Iona | From the holy Scottish island; cherished in Ireland for generations |
| Ide | Anglicized spelling of Íde, the saint's name |
| Yseult | Medieval variant spelling of Iseult, fair lady |
| Isolt | Another romantic medieval form of Iseult |
Mythic and Legendary I Names
Kings, warriors, and heroines from Ireland's oldest stories.
| Name | Meaning |
|---|---|
| Iseult | Fair lady; the Irish princess at the heart of the Tristan romance |
| Irial | Irial Fáid, a legendary king of Ireland |
| Iollan | A champion of the Fianna in the Fenian cycle |
| Íomhar | The yew archer; a name echoing Ireland's Norse age |
| Iarlaith | St. Iarlaith of Tuam, founder of a famous monastic school |
| Iarla | The nobleman; a title turned handsome first name |
| Inis | Island; Ireland itself is an island of saints and stories |
| Íde | St. Íde, one of the great women saints of early Ireland |
Short and Luminous I Names
Small names with a glow — perfect for the minimalist namer.
| Name | Meaning |
|---|---|
| Íde | Thirst; holy and historic in four letters |
| Isla | Island; soft, popular, and serene |
| Inis | Island; the calmest name on this list |
| Iarla | Nobleman; dignified and brief |
| Irial | A king's name in five letters |
| Iseult | Fair lady; romance in six letters |
| Iona | Holy island; gentle and timeless |
| Ivor | Yew archer; crisp and strong |
Frequently Asked Questions
How do you pronounce Íde?
Íde is pronounced EE-da. The fada (accent) over the I lengthens the vowel, and the name belonged to St. Íde, also called St. Ita.
Is Iseult an Irish name?
Yes. Iseult (Isolde) originates in Irish legend as the princess in the tale of Tristan and Iseult, one of the great romances that traveled from Ireland across medieval Europe.
What does Inis mean?
Inis (IN-ish) is the Irish word for island. As a name it is calm, elemental, and genuinely unisex.
Are Irish I names common?
They are delightfully uncommon, which is their charm. Isla is the breakout star, while Íde, Iarla, and Iseult remain rare treasures.
Irish I names are for parents who love a beautiful secret. Whether you choose the saintly grace of Íde, the romance of Iseult, or the quiet strength of Iarla, you are giving a name that few others share and everyone remembers.
