Thaddeus McCarthy

Blessed Thaddeus McCarthy (c. 1455 – 25 October 1492) (also spelt MacCarthy and Macarthy) was an Irish ecclesiastic. He was a bishop who never ruled his see, even though he was appointed to two of them: Bishop of Ross, Ireland in 1492 and Bishop of Cork and Cloyne in 1490. His feast day is 25 October.

McCarthy was born in 1455 almost certainly at Innishannon, Co. Cork. His father was the lord of Muskerry and his mother was reputedly the daughter of Edmund Fitzmaurice, ninth Lord of Kerry. It is probably the case that he belonged to the sept of the MacCarthy Reagh of Carbery. Laurence Rehenan, Professor of Ecclesiastical History of Maynooth College, suggests that he was educated by the Franciscan Friars of Timoleague.

He studied for the priesthood under an uncle, Canon Thady McCarthy and continued his studies in Paris with another relative, Professor Don Raymond, at Paris University. He was ordained in Cork by Bishop William Roche and travelled to Rome afterwards to continue his studies. It would appear that Thaddeus, prior to nomination to Ross, occupied a position in one of the Roman tribunals.

While in Rome, his many qualities made a deep impression and although only 27 years old, Pope Sixtus IV appointed him as Bishop of Ross in Cork, which see had become vacant upon the death of Bishop Donald. On 3 May 1482 Thaddeus was consecrated archbishop by in the Church of Santo Stefano del Cacco in Rome by Stephen Teglatius (or de Taleazis), Archbishop of Antivari (the modern Bar), assisted by Daniel, Bishop of Rhosus in Cilicia, and by Julianus de Matheis (or de Maffei de Vulterris), Bishop of Bertinori.

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