https://www.britannica.com/topic/Irish-language
Irish language, also called Erse or Gaelic, Irish Gaeilge, a member of the Goidelic group of Celtic languages, spoken in Ireland. As one of the national languages of the Republic of Ireland, Irish is taught in the public schools and is required for certain civil-service posts. Grammatically, Irish still has a case system, like Latin or German, with four cases to show differing functions of …