Niall McGinn
Northern Irish footballer
Niall of the Nine Hostages
High King of Ireland
Niall James Horan
Irish singer
Niall Campbell Douglas Ferguson
Scottish historian
Niall John Quinn
Irish footballer
Niall Matter
Canadian actor
Niall Joseph Sheehy
Irish actor
Niall Macfarlane Mackenzie
Scottish motorcycle racer
Niall John O'Brien
Irish cricketer
Niall MacGinnis
Irish actor