County Sligo (UK Parliament constituency)

County Sligo is a former county constituency in Ireland, represented in the House of Commons of the Parliament of the United Kingdom. It returned two Members of Parliament (MPs), elected by the bloc vote system of election.

History and boundaries
In 1801, the constituency succeeded the constituency of County Sligo in the Irish House of Commons, comprising comprised the whole of County Sligo, except the parliamentary borough of Sligo. After the Sligo and Cashel Disfranchisement Act 1870, the borough ceased to have separate representation, and eligible voters were added to the roll for the county constituency.

From 1885 the constituency was divided into North Sligo and South Sligo.

Elections in the 1840s
Perceval was appointed a commissioner of the Treasury, causing a by-election.

Elections in the 1850s
Ffolliott resigned by accepting the office of Steward of the Chiltern Hundreds, causing a by-election.

Elections in the 1870s
Gore-Booth's death caused a by-election.

Elections in the 1880s
O'Conor's death caused a by-election.