St Johnstown was a borough constituency for Ballinalee or Saintjohnstown County Longford represented in the Irish House of Commons until 1800.

Members of Parliament

ElectionFirst MPSecond MP 1634 John Ware Edmund Beagan 1639 John Ware Dudley Loftus 1661 John Edgeworth Sir Henry Piers, 1st Baronet 1689 Patriot Parliament Sir William Ellis Lt.-Col. James Nugent 1692 Sir John Edgeworth Alexander Fraser 1695 John Aghmooty 1703 Ambrose Edgeworth 1711 Anthony Atkinson 1713 John Kennedy Robert Edgeworth 1715 Henry Edgeworth 1721 Henry Edgeworth 1727 Thomas Newcomen 1751 Hon. John Forbes 1761 George Forbes, Viscount ForbesSat for Mullingar Charles Newcomen 1762 George Forbesfrom 1765 George Forbes, Viscount Forbes 1768 Ralph Fetherstonfrom 1776 Sir Ralph Fetherston, 1st Bt 1773 Robert Jephson 1776 Hon. John Vaughan 1780 Sackville Hamilton 1783 Sir Thomas Fetherston, 2nd Bt Nicholas Colthurstfrom 1787 Sir Nicholas Colthurst, 3rd Bt 1790 George Cavendish John Taylor January 1798 Sir William Gleadowe-Newcomen, 1st Btsat for County Longford Francis Hardy 1798 Richard Lovell Edgeworth William Moore 1801 Constituency disenfranchised

Notes

References