Ó Clabaigh
Ó CLABAIGH—I—O Clabby, Clabby; 'descendant of Clabach' (thick-lipped, wide-mouthed); the name of an old Roscommon family who were erenaghs of the church founded by St. Patrick at Oran, in the barony of Ballymoe, and noted for their hospitality.
Alphabetical Index to Irish Surnames