Campbell: an-líonmhar in Ultaibh, i gConnachta agus Co. Lú. An mhór-chlann Albanach Ó Duibhne a ghlac an leas-ainm chucu. Chomh maith leis na h-Albanaigh, bhí clann dúchasach i dTír Eoghain, Mac Cathmhaoil, ar a dtugadh Campbell.SS.
Very numerous: Ulster in particular. This relates not only to the great Scottish clan, Scots Gael: Cam-béal (crooked mouth), but also the Ir. Mac Cathmhaoil (battle chief). These were a sept of Cineál Eoghain in Tyrone. In Donegal there was a Scots galloglass family called in Ir. Mac Ailín, who were also Campbells. MIF.
fairly rare: Antrim. Ir. Mac Cathmhaoil. See Mac Call.