[3] He was consecrated bishop at Christ Church Cathedral, Dublin, on Thursday 25 March 1999—the Feast of the Annunciation.
He officiated at the wedding of footballer David Beckham and Spice Girl Victoria Adams on 4 July 1999 at the medieval Luttrellstown Castle on the outskirts of Dublin.
[4][5] He is married to Susan Colton, who was deputy principal of a primary school until her retirement in 2022 and they have two adult sons.
[1] He chairs the board of directors of Saint Luke's Charity, Cork, which focuses on the elderly and dementia sufferers.
[6] On 27 February 2022, Colton was the invited preacher at the Patronal Eucharist in Lichfield Cathedral, to mark the 1,350th anniversary of the death of Saint Chad.