County Mayo (Parliament of Ireland constituency)

County Mayo was a constituency represented in the Irish House of Commons from 1611 to 1800. Between 1725 and 1793, under the Penal Laws, Catholics and those married to Catholics could not vote.

Members of Parliament

 * 1585 Thomas Williams and John Browne
 * 1613–1614 Tiobóid na Long Bourke, 1st Viscount Mayo and Sir Thomas Burke
 * 1634–1635 Sir Thomas Bourke and Sir Roger O'Shaunessy
 * 1639–1649 Sir Theobald Bourke, Baronet, and Thomas Bourke
 * 1658 Sir Thomas Sadlier
 * 1661 Sir Arthur Gore and Sir James Cuffe