County Monaghan is a former parliamentary constituency in Ireland, returning two Members of Parliament (MPs) to the House of Commons of the Parliament of the United Kingdom.

Boundaries

This constituency comprised the whole of County Monaghan.

Members of Parliament

Election results

Elections in the 1830s

Blayney succeeded to the peerage, becoming 12th Baron Blayney and causing a by-election.

Elections in the 1840s

Westenra succeeded to the peerage, becoming 3rd Baron Rossmore and causing a by-election.

Elections in the 1850s

Elections in the 1860s

Elections in the 1870s

Leslie's death caused a by-election.

Elections in the 1880s

Givan was appointed Crown Solicitor for Kildare and Meath, causing a by-election.