County Kildare is a former UK Parliament constituency in Ireland, returning two MPs to the United Kingdom House of Commons from 1801 to 1885.
This constituency comprised the whole of County Kildare.
O'Ferrall was appointed as a Commissioner of the Treasury, requiring a by-election.
Bourke was appointed Chief Secretary for Ireland, requiring a by-election.
FitzGerald was appointed Treasurer of the Household, requiring a by-election.
Fitzgerald was appointed Comptroller of the Household, requiring a by-election.