 The Morrises were one of the fourteen families making up 'the Tribes of Galway'.He is the eldest son of Sheila and The 3rd Baron Killanin, former President of the International Olympic Committee.His mother was the daughter of Canon Douglas Dunlop, Rector of Oughterard, and the granddaughter of Henry Dunlop, who was involved in the construction of Lansdowne Road in 1872.