| John Vansittart Danvers Butler |
Lanesborough (Viscountcy) |
Sat 7th Jul 1866 |
Tue 12th Sep 1905 |
| Charles John Brinsley Butler |
Lanesborough (Viscountcy) |
Tue 12th Sep 1905 |
Sun 18th Aug 1929 |
| Nicholas Loftus |
Loftus (Viscountcy) |
Mon 19th Jul 1756 |
Sat 31st Dec 1763 |
| Nicholas Hume-Loftus |
Loftus (Viscountcy) |
Sat 31st Dec 1763 |
Fri 31st Oct 1766 |
| Nicholas Hume-Loftus |
Loftus (Viscountcy) |
Fri 31st Oct 1766 |
Sun 12th Nov 1769 |
| Henry Loftus |
Loftus (Viscountcy) |
Sun 12th Nov 1769 |
Thu 8th May 1783 |
| Robert Stewart |
of Londonderry (Marquessate) |
Sat 13th Jan 1816 |
Fri 6th Apr 1821 |
| George Henry Robert Charles Vane-Tempest |
of Londonderry (Marquessate) |
Mon 25th Nov 1872 |
Thu 6th Nov 1884 |
| Charles William Vane |
of Londonderry (Marquessate) |
Mon 12th Aug 1822 |
Mon 6th Mar 1854 |
| Alexander Charles Robert Vane-Tempest-Stewart |
of Londonderry (Marquessate) |
Mon 17th Oct 1955 |
Wed 20th Jun 2012 |
| Robert Stewart |
of Londonderry (Marquessate) |
Fri 6th Apr 1821 |
Mon 12th Aug 1822 |
| Frederick William Robert Stewart |
of Londonderry (Marquessate) |
Mon 6th Mar 1854 |
Mon 25th Nov 1872 |
| Charles Stewart Vane-Tempest-Stewart |
of Londonderry (Marquessate) |
Thu 6th Nov 1884 |
Mon 8th Feb 1915 |
| Charles Stewart Henry Vane-Tempest-Stewart |
of Londonderry (Marquessate) |
Mon 8th Feb 1915 |
Fri 11th Feb 1949 |
| Edward Charles Stewart Robert Vane-Tempest-Stewart |
of Londonderry (Marquessate) |
Fri 11th Feb 1949 |
Mon 17th Oct 1955 |
| Thomas Pakenham |
Longford (Barony) |
Fri 7th May 1756 |
Wed 30th Apr 1766 |
| Edward Michael Pakenham |
Longford (Barony) |
Wed 30th Apr 1766 |
Wed 6th Jun 1792 |
| Thomas Pakenham |
Longford (Barony) |
Wed 6th Jun 1792 |
Sun 24th May 1835 |
| Edward Michael Pakenham |
Longford (Barony) |
Sun 24th May 1835 |
Tue 27th Mar 1860 |
| William Lygon Pakenham |
Longford (Barony) |
Tue 27th Mar 1860 |
Tue 19th Apr 1887 |