The Irish executive, known as the Dublin Castle administration, under the Lord Lieutenant of Ireland, was not answerable to the House of Commons but to the British government.

From 1 January 1801, it ceased to exist and was succeeded by the House of Commons of the United Kingdom.

The position was one of considerable power and prestige, and in the absence of a government chosen from and answerable to the Commons, he was the dominant political figure in the Parliament.

The constituencies were adapted from those in the Irish House of Commons as follows: Until 1793 members could not resign their seats.

They could cease to be a member of the House in one of four ways: In 1793 a means for resignation was created, equivalent to the Crown Steward and Bailiff of the Chiltern Hundreds or the Manor of Northstead as a means of resignation from the British House of Commons.