If you are relocating to Ireland, you might be able to exchange your existing driving license
https://irishdrivinglicensepeve138.raidersfanteamshop.com/it-is-the-history-of-irl-driving-licence-in-10-milestones
If you are transferring to Ireland, you might be able to exchange your existing driving license. Inspect eligibility rules and needed paperwork for a smooth transfer.