Ó Branagáin
Ó BRANAGÁIN—I—O Branagan, O Branigan, O Brengan, Branagan, Branigan, Brannigan, Brennigan, Brangan, Brankin; 'descendant of Branagán' (diminutive of bran, a raven); the name of a family of Cinel Eoghain in Derry. See Ó Branáin.
Alphabetical Index to Irish Surnames