ССЫЛКИ:
«ирландцы»: по-английски - Irishman, Irish, по-немецки - Ire, Irländer

Irish
c.1205, Irisce, from stem of O.E. Iras "inhabitant of Ireland," from O.N. irar, ult. from O.Ir. Eriu "Erin."

ire
c.1300, from O.Fr. ire (11c.), from L. ira "anger, wrath, rage,"