No. 1% of the population of Ireland speak Irish fluently, and another 25% have some knowledge of it.
No
The original language of Ireland is "Gaelic" but it almost became a dead language until it was brought back to Irish schools. They speak English as their primary language now and Gaelic as a secondary one. The language is called the "Irish language" in Ireland in preference to "Gaelic" which can, and often does, refer to Scottish Gaelic.
The English language is used more in Ireland the Irish language is used only in some certain areas but the English is definettely used more, the children in Ireland tend to learn the Irish language in school.
Éire is the name for Ireland in the Irish language. You will see it on Irish coins and stamps.
No. Erin is not a language. English and Irish are the two main languages spoken in Ireland. Éire is the Irish for Ireland. Éireann, pronounced like Erin, is a name used for Ireland as the genitive case in the Irish language. Erin is the name of a food company in Ireland.
Yes. In Ireland there is a form of Gaelic. People in Ireland always refer to it as Irish.
Ireland is known as the Republic of Ireland or Éire in the Irish language.
The official language of Ireland is Gaeilge (Irish). Which is mostly spoken in the Gaeltacht areas of Ireland. But most of the people speak Béarla (English).
Hibernia (Ireland) Lingua Hibernica (language)
Ireland's real name is Éire, which is in the Irish language and which in English is Ireland.
déanta in Éireann
Far too broad of a question to answer but, Irish is the nation language of Ireland, however English is most peoples first language and is generally always spoken, Irish is taught in schools and there are regions of Ireland which speak Irish as their first language.
There is no language called Celtic. Ireland's native language is Irish, sometimes called Gaelic. It is the second most important language, as English is the main language spoken in Ireland.