Cavan (UK Parliament constituency)

John Maxwell-Barry succeeded as 5th Baron Farnham, causing a by-election.

Henry Maxwell succeeded to the peerage, becoming 7th Baron Farnham and causing a by-election.

John Young was appointed a Commissioner of the Treasury, requiring a by-election.

John Young was appointed Chief Secretary of Ireland, requiring a by-election.

John Young resigned after being appointed Lord High Commissioner of the Ionian Islands, causing a by-election.