In the absence of a comprehensive and reliable source for party and factional alignments in this period, no attempt is made to define them in this article.
Offices used, in this period, were the Stewards of the Chiltern Hundreds or the Manor of East Hendred and the Escheators of Munster or Ulster.
These appointments are made as a constitutional device for leaving the House of Commons, whose Members are not permitted to resign.
An incumbent who vacated a seat in the Irish Parliament, before the United Kingdom of Great Britain and Ireland came into existence on 1 January 1801, has (IP) following their name.
Where a seat was vacated, because the incumbent member inherited a peerage or was created a peer or was appointed to an office, click the highlighted cause for further details of the particular circumstances.