Is a member of the extended Redgrave-Richardson-Nero-Wiltsie-Bevan-Neeson acting-directing-writing-producing-singing dynasty, which includes at least seventeen current and deceased members, over at least five generations.
Micheál, born Micheál Richard Antonio Neeson, is the eldest son of Liam Neeson and the late Natasha Richardson. Micheál took his mother's maiden name as his acting name in honor of her.
During 2018, made legal processes to change his surname to his Richardson in commemoration of his late mother, Natasha Richardson.
Shares the Michael Collins role with his father Liam Neeson. Liam appeared as Michael Collins in Michael Collins (1996) while Micheál (né Neeson) Richardson is attached/contracted to portray Collins in The Rising - 1916 (2016).
Born in Dublin, Republic of Ireland weighing 8 lbs 14 oz (4Kg) in June 22, 1995.