Caineach inion Urchadh Princess of the Uí Briúin Seóla and Queen of Connacht, fl. early 10th century.
Caineach was one of three daughters of King Urchadh mac Murchadh of Maigh Seóla (died 943). She became the wife of a prince of the Síol Muiredaig, and thus an ancestor of the Clann Coscraig sept of the dynasty.
She was an aunt of three notable Irish rulers:
References
Caineach inion Urchadh Wikipedia(Text) CC BY-SA