A person from Ireland or of Irish descent.

An Irish nationalist advocating a United Ireland.

A sovereign state that would cover the whole of the island of Ireland.

The short-lived autonomous region of the United Kingdom established on 3 May 1921 and dissolved on 6 December 1922, superseded by the Irish Free State. / (informal, rare) The Republic of Ireland.

A person from Northern Ireland

The Anglican church body active in Ireland (both the Republic of Ireland and Northern Ireland).

plural of Northern Irelander

The Irish state under the English monarchs from its creation during the reign of King Henry VIII of England when he elevated Ireland from a lordship to a kingdom, to its abolition in 1801 under King George III, when it joined the United Kingdom of Great Britain and Ireland.

The name of the British state when Great Britain and Ireland were a republic ruled by Oliver Cromwell.

(historical) The British state when Great Britain and Ireland were a republic ruled by Oliver Cromwell.