In addition, it contained areas known as Trícha cét's, Túath and is the homeland of surnames such as Ó Conchobhair (O'Connor), Mac Diarmada (McDermott), Ó Ceallaigh (Kelly), Ó Birn (Beirne, Byrne, Burns), Mac Donnchadha (McDonough) and Brennan (Mac Branáin and Ó Branáin).
see also