Officially, citizens of the UK or Ireland don't need a passport to enter Ireland from the UK, but all other nationalities do. But you need some form of ID to prove you are an Irish or British citizen, and the only form of ID generally accepted are a drivers license or a passport. The drivers license must be a UK or Irish license and you must have been born in the UK or Ireland. This is because the drivers license doesn't state your citizenship, only your place of birth. To use it as evidence of citizenship, you have to have been born in either the UK or Ireland. Technically, only those born in