Niall was born on September 13, 1993. In 2010 Niall auditioned for the seventh series of The X Factor UK in Dublin. He sang the song So Sick and received mixed comments from the judges. Louis Walsh was in his favor, but Cheryl Cole and guest judge Katy Perry felt he needed some time before comming a star. Niall was born in Mullingar, County Westmeath, Ireland. His parents are Bobby Horan and Maura Gallagher. His only sibling is an older brother named Greg. "I was always one of those kids that just liked music in general, and I always wanted to pick up the nearest instrument."