 On 6 September 1671, he was consecrated bishop by Francesco Maria Brancaccio, Cardinal-Bishop of Porto e Santa Rufina, with Stefano Brancaccio, Bishop of Viterbo e Tuscania, and Federico Baldeschi Colonna, Titular Archbishop of "Caesarea in Cappadocia", serving as co-consecrators.On 8 March 1677, he was appointed during the papacy of Pope Innocent XI as Archbishop of Cashel.He served as Archbishop of Cashel until his death in 1693.