Niall is a common name of Irish origin, often associated with the meaning "champion" or "cloud." It is frequently used in Ireland and among Irish communities worldwide. The name has historical significance, as it was borne by several notable figures, including Niall of the Nine Hostages, a legendary 5th-century king of Ulster. In popular culture, the name Niall gained prominence through Niall Horan, a member of the famous boy band One Direction. Horan has pursued a successful solo music career after the band's hiatus, further popularizing the name. Niall is also a popular choice for fictional characters in various media.