behind the scenes videos of the band. [33] MembersNiall Horan Niall Horan , born on 13 September 1993 (age 18), is from  Mullingar ,  County Westmeath ,  Ireland . He was a pupil at  Coláiste Mhuire, Mullingar , a boys'  CBS  secondary school. [34]  Horan auditioned with "So Sick" and received mixed comments