Ó Balbháin
Ó BALBHÁIN—III—O Ballavane, O Ballevan, Ballevan; 'descendant of the stammerer' (Irish balbh, diminutive balbhán); originally a Connacht surname; found at the beginning of the 17th century in Donegal and Tipperary; now very rare and scattered.
Alphabetical Index to Irish Surnames