I want to marry my tunisian fiancée in tunisia can you tell me the paperwork needed

Marriage in Tunisia | Embassy of the United States Tunis, Tunisia

Getting Married in Tunisia | Tunisia Holidays, Tunisian life and Discussion : Tunisia.com

It will all depend on where you are from, if you are a man or women, if divorced and so on.

Read the links I give and then come and ask any follow up questions with more information.

Contact your consulate in Ireland, if you are a citizen of Ireland. Please don't post similar questions under different categories.
Marriage doesn't guarantee that she will be allowed in Ireland. You have to prove support, and there can't be a criminal past, and so on.
Is this a woman you have actually met, or just talked to online?
99% are scams to get money out of you.