Today 28th of May 2021, the Irish Government announced the next phases of Ireland's reopening post-covid.
This includes the return of international travel on the 19th of July, which as Father Ted fans will know is also the day in history when Galway was liberated from the Indians, Marathon became Snickers and of course the ice age ended.
The 19th of July will see visitors from the EU able to return to Ireland which has had the most severe lockdown in Europe, and then at some point beyond that travellers from outside the region will be able to visit- from the USA, Canada etc. If fully vaccinated, recovered from COVID-19 / Coronavirus or with a negative test then no quarantine will be necessary.