Thaddeus McCarthy, Irish bishop (b. 1455)

Tadhg Mac Cárthaigh (Latinised and anglicised Thaddeus McCarthy) c. 1455 – 25 October 1492, 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 1482 and Bishop of Cork and Cloyne in 1490. His feast day is 25 October.