Niall

boyIrishChristian

Niall is a Christian boy name of Irish origin, meaning “Champion; possibly cloud or passionate”.

MeaningChampion; possibly cloud or passionate
GenderBoy
OriginIrish
PronunciationNYE-ul
TraditionChristian, Modern & Classic
Used inIreland, United Kingdom

Meaning and origin of Niall

Niall is an old Irish name whose meaning is genuinely uncertain. It is often linked to Old Irish words for 'champion', but some scholars connect it with 'cloud' or with passion and vehemence. Its most famous early bearer is Niall of the Nine Hostages, the semi-legendary high king from whom the Uí Néill dynasties claimed descent, and the surname O'Neill grew from it. Norse settlers borrowed it as Njáll, which later returned to English as Neil.

Is Niall a Christian name?

Niall is a traditional Irish name used in Catholic and Protestant families alike, but it is not a saint's or biblical name. Its roots lie in early Irish kingship rather than in scripture.

How popular is Niall?

Well established in Ireland and Scotland; known but less common in North America.

Gifts with the name Niall

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Spellings and variants of Niall

NeilNealNjállNial

Names similar to Niall

CianEoinRonanDeclan

More Christian boy names

Frequently asked questions

What does the name Niall mean?

Niall means 'Champion; possibly cloud or passionate'. It is of Irish origin.

Is Niall a Christian name?

Niall is a traditional Irish name used in Catholic and Protestant families alike, but it is not a saint's or biblical name. Its roots lie in early Irish kingship rather than in scripture.

How do you pronounce Niall?

Niall is pronounced NYE-ul.

Is Niall a boy or girl name?

Niall is usually a boy name.

Updated October 2026. Spotted a mistake? Tell us.