Boy's name
Explore thousands more names in our Baby Name Genius app.
Niall is of Irish origin and means "champion" or "cloud." It is derived from the Old Irish name Niall, meaning "passionate" or "vehement."
Boy names closely related to Niall
Girl names closely related to Niall
Births per year in the United States
Source: Social Security Administration
Get detailed insights, popularity trends, and personalized recommendations in the Baby Name Genius app.