Dungannon (UK Parliament constituency)

Dungannon 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.
Boundaries.
This constituency was the Parliamentary borough of Dungannon in County Tyrone.
Elections.
Elections in the 1830s.
Knox resigned, causing a by-election.
Knox resigned, causing a by-election.
Elections in the 1850s.
Knox resigned due to ill health by accepting the office of Steward of the Chiltern Hundreds, causing a by-election.
Knox resigned again by accepting the office of Steward of the Chiltern Hundreds, causing a by-election.
Knox was appointed a Groom in Waiting to Queen Victoria, causing a by-election.
Elections in the 1880s.
On petition, Dickson was unseated and a by-election was called.