Lisburn was a United Kingdom Parliament constituency, in Ireland, returning one MP.
It was an original constituency represented in Parliament when the Union of Great Britain and Ireland took effect on 1 January 1801.
Meynell was appointed a Groom in Waiting to Queen Victoria, requiring a by-election.
Tennent resigned by accepting the office of Steward of the Manor of Northstead, causing a by-election.
On petition, Barbour was unseated due to his and his agent's bribery and treating,[16] causing a by-election.