"O'Conor of Ballintober" refers to a branch of the O'Conor family, a prominent Gaelic dynasty in Ireland. This family was historically associated with the region of Connacht and held the title of Kings of Connacht for centuries. The O'Conors were known for their influence and leadership in medieval Ireland, particularly during the 12th and 13th centuries. The term "Ballintober" specifically relates to a village in County Roscommon, which was the seat of the O'Conor family. The area is notable for the Ballintober Abbey, founded in the 12th century, which served as a significant religious and cultural center. The O'Conors played a crucial role in the history and development of this region.