No. Gaelic, spoken by Celtic people of Scotland and Ireland is, though.
It is an Irish language that is still spoken commonly in Ireland
The Gaelic language originates from the Celtic language family and is primarily spoken in Ireland and Scotland.
The soccer club Celtic, is in Scotland, not Ireland. Celtic as a term can refer to things from Ireland when Celts came to Ireland.
It is in Irish Gaelic (called 'Irish' in Ireland).
Yes, Ireland is a Celtic country.
The Celtic Sea is to the south of Ireland and the Irish Sea is to the east of Ireland.
Wales would be the most likely country to hear a Celtic language being spoken.
Ireland is predominantly Catholic with a minor Protestant (or Church of Ireland) following. English is the main language spoken, although the original ancient Celtic language (Gaelic) is taught at schools.
There are various Celtic languages: Breton (Brittany), Welsh, Irish, Scottish Gaelic, Cornish, Manx (Isle of Man). They derived from Indo-European via Proto-Celtic, which once spread across much of Europe (cf Gallic, in Gaul) but was gradually pushed to the western extremities, fragmenting into the various forms indicated above.
"Gaelic" typically refers to the Celtic language spoken in Ireland (Irish Gaelic) or Scotland (Scottish Gaelic). It is a branch of the Celtic language family and has a rich cultural and historical significance in both countries.
Not including recent immigrants the two languages are the indigenous Irish (Gaelic)which is a Celtic language, and English which is classified as Germanic.