The government of the 1st Dáil was the executive of the unilaterally declared Irish Republic. At the 1918 Westminster election, candidates for Sinn Féin stood on an abstentionist platform, declaring that they would not remain in the Parliament of the United Kingdom but instead form a unicameral, revolutionary parliament for Ireland called Dáil Éireann.

The Minister for Justice is a senior minister in the Government of Ireland and leads the Department of Justice. The Minister for Justice has overall responsibility for law and order in Ireland.