Ó Bearáin
Ó BEARÁIN—I—O Barrane, O Barran, Barron, Berrane (Barnes, Barrington); 'descendant of Bearán' (stripling, diminutive of bear, a spear, spit, javelin); an old surname in Thomond and Tyrconnell; also Ó Bioráin, which see.
Alphabetical Index to Irish Surnames