As you can expect, there were hardly any Irish first names that began with the letter X when we did our research, but we thought we would share the very few we could find.Explore Irish First Names A-Z
Pronunciation: ZAY-vee-er / ZAV-yay
Meaning: A name of Basque origin meaning “new house” or “castle,” Xavier was popularized by St. Francis Xavier, a co-founder of the Jesuits. The Irish version, Seabhán, is rare but aligns with historical Gaelic naming traditions. The name gained global popularity through religious and scholarly influence.
Pronunciation: ZAN-der
Meaning: A diminutive of Alexander, meaning “defender of the people,” Xander carries strength and heroism. The Irish form, Alastar, was used among Gaelic nobility, including Alastar Mac Colla, a 17th-century war leader. The name’s modern appeal comes from its bold, independent sound and association with leaders and warriors.
Pronunciation: SHA-bee-er / HA-bee-er
Meaning: The Basque form of Xavier, Xabier retains its link to the revered St. Francis Xavier, who played a key role in spreading Christianity in Asia. The name signifies “new home” and symbolizes exploration and faith. Though rare in Ireland, it shares roots with other Irish-Basque connections in medieval trade.
You might also be interested in our lists of Irish names starting with other letters from A to Z and we also have some interesting themes.
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