1) Historical Celtic people 
The Cruthin (Old Irish, ˈkɾˠʊθʲɪn̠ʲ; Middle Irish Cruithnig or Cruithni; Modern Cruithne ˈkɾˠɪhn̠ʲə) were a people of early Ireland, who occupied parts of the present day Counties of Down, Antrim and Londonderry in the early medieval period. Their ruling dynasties included the Dál...