⁸O'Kelly, Michael J. "Beal Boru, Co. Clare." Journal of the Cork Historical and Archaeological Society 67.205 (1962): 6-7.
Boru biographer Roger Chatterton Newman, acknowledging that both Béal Bóramha and the other nearby Dalcassian stronghold at Kincora, were used by the family, suggests that "...it is more than likely that Brian, as a child, lived for a while in both - in troubled times the wife and children of Cinnéide would have found shelter in whichever was the stronger fortress."