This list includes 4 Irish girl names that start with I, from “Iona” to “Ita”. It features both familiar and long-established Gaelic names used historically across Ireland.

Irish girl names that start with I are female names of Irish or Gaelic origin beginning with I. For example, Ita is the name of a sixth-century Irish saint noted for her learning and generosity.

Below you’ll find the table with Name, Pronunciation, Meaning, and Notes.

Name: The given name as used in Ireland; use this to find exact spellings and common variants.

Pronunciation: A concise phonetic guide shows how the name sounds so you can say it clearly and confidently.

Meaning: A short definition or origin note that explains the name’s literal meaning and cultural associations.

Notes: Extra context such as historical use, notable bearers, and variant forms to help with your choice.

Irish girl names that start with I

NamePronunciationMeaningOrigin/Notes
ItaEE-tahUnknown; associated with an early Irish saintGaelic; attested as Íde/Íte; anglicized Ita; St. Íte of Killeedy, 6th century (Ó Corráin; Woulfe)
Iseultih-SOOLTPossibly “fair”; origin debated (Celtic)Historically used in medieval Irish literature (Middle Irish Iseult/Isolt); legendary Irish princess in the Tristan cycle (Dinneen; Woulfe)
IseabailIS-uh-bahlGaelic form of Isabel; “pledged to God” (Hebrew via Old French)Gaelicized form of Isabel/Isobel used in medieval Gaelic Ireland and Scotland; attested in records and annals (Ó Corráin; MacLysaght)
Ionaeye-OH-nuhIsland name; linked to St. Columba and Gaelic ÌGaelic place-name (Iona/Ì), adopted as a feminine given name in Gaelic-speaking regions; saintly association with Columba (Foras na Gaeilge; MacLysaght)

Descriptions

Ita
One of Ireland’s best-known female saints; a short, traditional name pronounced EE-tah or EE-da, popular in hagiography and suitable for parents seeking an ancient Irish choice.
Iseult
A literary and mythic name from the Tristan and Iseult legend, attested in Irish medieval sources; romantic, rare today, pronunciation varies by tradition.
Iseabail
A Gaelic spelling of Isabel historically used by Gaelic speakers; formal and uncommon now, with regional pronunciation differences—good for those wanting a Gaelicized classic.
Iona
A lyrical, place-derived name used in Gaelic Britain and Ireland; evokes the island and Saint Columba, popular for its simple, melodic sound.
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