Are celtic people from Ireland and Scotland or just Ireland ?

Celtic people are from all over europe

Celtic languages are spoken in Ireland, Scotland, Wales, Bretagne and on the isle of Man

Celtic people include Scottish, Irish, Welsh, Cornish and French.

Ireland Scotland, Wales, the French used to be Celtic and large parts of central europe was Celtic too

No...Celtic langauges are/were spoken right across the British Isles in various parts of each country, so all the countries Scotland, England, Wales and Ireland