Quick answerIrish-origin names come from the Irish language, also called Irish Gaelic, spoken in Ireland for centuries. Many are ancient names from Irish legend and early history, carrying meanings tied to warriors, kings and poets. Irish spellings can look unusual in English, because Irish uses letter combinations that English does not.
Popularity ranks are U.S. Social Security Administration figures for 2024; meanings and origins follow Behind the Name. Full source notes are in the project's data file notes.