Roscommon (UK Parliament constituency)

County Roscommon was a UK Parliament constituency in Ireland. The constituency sent two MPs to Westminster from the Act of Union 1800 until the constituency was split into Roscommon North and Roscommon South in 1885.

Boundaries
This constituency comprised the whole of County Roscommon.

Elections in the 1830s
O'Conor's death caused a by-election.

Elections in the 1840s
O'Conor was appointed a Lord Commissioner of the Treasury, requiring a by-election.

Elections in the 1860s
On petition, Goff was unseated and a by-election was called.

Elections in the 1870s
French's death caused a by-election