Cathal mac TigernánCathal mac Tigernán was King of Iar Connacht.BiographyÁed in Gai Bernaig, King of Connacht from 1046 to 1067, had invaded and conquered Maigh Seóla in 1051, blinding its king. Cathal mac Tigernán is the next ruler of the kingdom recorded, but only upon his death in 1059. No details are given beyond that he was killed. His relationship to the rest of the dynasty is uncertain.