The name Niall is a girl's name of Irish origin meaning "cloud".

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While Niall -- pronounced as Neil or like the river Nile -- is conventionally a boys' name, it might theoretically work for girls.

Niall

Irish

Niall is occasionally used for boys in 2025.

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The name Niall is a boy's name of Irish origin meaning "cloud".

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Niall is pronounced nye-al--something like Neil,  but this Irish spelling of the name makes it much more current and cool.
<br/><br/>This is an ancient name borne by several of the high kings of Tara, the most famous of whom was the powerful semi-mythological fifth century king known as Niall of the Nine Hostages, ancestor of all the O'Neills and MacNeills that followed.
<br/><br/>Niall Ferguson is a respected English historian, one of Time magazine's 100 Most Influential People in the World in 2004.

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The name Niall peaked for boys at #1582 in 2024. The name is most popular in Massachusetts, Massachusetts, and Massachusetts.

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Neil

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