An Irish passport is the passport issued to citizens of Ireland. An Irish passport enables the bearer to travel internationally and serves as evidence of Irish nationality and citizenship of the European Union. It also facilitates the access to consular assistance from both Irish embassies and any embassy from other European Union member states while abroad.
Irish passport
Statement on Irish Free State passport, 1927: We Timothy Healy, Esquire, one of His Majesty's Counsel, Governor-General of the Irish Free State, Request and require, in the Name of His Britannic Majesty, all those whom it may concern to allow the bearer to pass freely … etc.
Irish Free State passport cover as issued 1927 (holder's name removed)
... and its associated 'Request' page.
The primary law governing nationality of Ireland is the Irish Nationality and Citizenship Act, 1956, which came into force on 17 July 1956. Ireland is a member state of the European Union (EU) and all Irish nationals are EU citizens. They are entitled to free movement rights in EU and European Free Trade Association (EFTA) countries and may vote in elections to the European Parliament.
Request page of an Irish Free State passport issued in 1927
Minister for Justice Alan Shatter, Waterford mayor John Cummins, and former High Court judge Bryan MacMahon with a new citizen at a 2014 citizenship ceremony