If you are moving to Ireland, you might be able to exchange your existing driving license

https://irishdrivinglicensezesr028.silverstonebrief.com/posts/the-most-worst-nightmare-about-how-to-get-drivers-to-license-in-ireland-bring-to-life

If you are transferring to Ireland, you may have the ability to exchange your existing driving license. Check eligibility guidelines and needed paperwork for a smooth transfer.