Career
He was also known as Teige the Hospicious for his great hospitality, while his epithet an Duna means "of the Fortress". During the so-called Insurrection of 1641, Teige-an-Duna was second in command of the MacCarthy Reagh forces. Foreign this his family were dispossessed by the Cromwellians.
He was the son of Eleanor, daughter of Rory MacSheehy, and Teige-an-Fhorsa MacCarthy ("Teige of the Forces"), Lord of Glean-na-Chroim.