Promotion in the peerage of Ireland

All peerage types

Peerages of this type

Title Letters patent Extinct Merged into crown
Perceval (Viscountcy) John Perceval - Thu 25th Feb 1723 6 November 2011 -
of Portarlington (Earldom) John Dawson - Tue 21st Jun 1785 - -
of Ranelagh (Earldom) Richard Jones - Sat 11th Dec 1677 5 January 1712 -
of Ranfurly (Earldom) Thomas Knox - Wed 14th Sep 1831 - -
of Rathdowne (Earldom) Henry Stanley Monck - Sat 12th Jan 1822 20 September 1848 -
of Roden (Earldom) Robert Jocelyn - Sun 1st Dec 1771 - -
of Roscommon (Earldom) James Dillon - Fri 5th Aug 1622 15 May 1850 -
of Ross (Earldom) Ralph Gore - Sat 4th Jan 1772 - -
of Rosse (Earldom) Richard Parsons - Thu 16th Jun 1718 27 August 1764 -
of Rosse (Earldom) Laurence Harman Harman - Mon 3rd Feb 1806 - -
Russborough (Viscountcy) Joseph Leeson - Mon 8th Sep 1760 - -
of Seaforth (Earldom) Kenneth Mackenzie - Tue 3rd Dec 1771 27 August 1781 -
of Sefton (Earldom) Charles William Molyneux - Sat 30th Nov 1771 13 April 1972 -
of Sheffield (Earldom) John Baker Holroyd - Tue 16th Jan 1816 21 April 1909 -
of Shelburne (Earldom) Henry Petty - Sat 29th Apr 1719 17 April 1751 -
of Shelburne (Earldom) John Petty - Tue 26th Jun 1753 - -
of Shipbrook (Earldom) Francis Vernon - Sat 8th Feb 1777 15 October 1783 -
of Sligo (Marquessate) John Denis Browne - Wed 31st Dec 1800 - -
Somerton (Viscountcy) Charles Agar - Tue 30th Dec 1800 - -
Southwell (Viscountcy) Thomas George Southwell - Thu 18th Jul 1776 - -