Go raibh maith agat (singular) Go raibh maith agaibh (plural)
Go raibh maith agat (pronounced Gurra mah ogguth)Go raibh maith agat
"Haigh agus go raibh maith agat" means "Hi and thank you" Haigh is "Hi" agus is "and" go raibh maith agat is "thank you"
Go raibh maith agat (pronounced Gurra mah ogguth)Go raibh maith agat
Irish: Go raibh maith agat, a chara. (Scottish) Gaelic: ?
Go raibh maith agat (Thank you, in Irish Gaelic) Tá fáilte romhat (You are welcome). These are singular forms.
Go raibh míle maith agat as ucht an cuireadh (singular) / Go raibh míle maith agaibh as ucht an cuireadh (plural)
go raibh maith agat
Go raibh maith agat.
"go raibh agat mo chara" means "Thank you, my friend"
You can say it as you've stated as English is the main language in Ireland. There is also an Irish language and to say thank you in it you would say "Go raibh maith agat." This would be pronounced "G'rev ma agut."
(if speaking to one person) Go raibh maith agat. Literally it means "May there be good on you". It would be pronounced: "G'rev ma agut" (if speaking to more than one) Go raibh maith agaibh