| Murrough O'Brien |
of Thomond (Marquessate) |
Mon 29th Dec 1800 |
Wed 10th Feb 1808 |
| William O'Bryen |
of Thomond (Marquessate) |
Wed 10th Feb 1808 |
Fri 21st Aug 1846 |
| James O'Bryen |
of Thomond (Marquessate) |
Fri 21st Aug 1846 |
Tue 3rd Jul 1855 |
| Arthur Herbert |
of Torrington (Earldom) |
Sun 29th May 1689 |
Tue 14th Apr 1716 |
| Henry Bentinck |
of Titchfield (Marquessate) |
Mon 6th Jul 1716 |
Thu 4th Jul 1726 |
| William John Arthur Charles James Cavendish-Bentinck |
of Titchfield (Marquessate) |
Sat 6th Dec 1879 |
Mon 26th Apr 1943 |
| William Arthur Henry Cavendish-Bentinck |
of Titchfield (Marquessate) |
Mon 26th Apr 1943 |
Mon 21st Mar 1977 |
| Victor Frederick William Cavendish-Bentinck |
of Titchfield (Marquessate) |
Sat 13th Dec 1980 |
Mon 30th Jul 1990 |
| William Bentinck |
of Titchfield (Marquessate) |
Thu 4th Jul 1726 |
Sat 1st May 1762 |
| William Henry Cavendish Cavendish-Bentinck |
of Titchfield (Marquessate) |
Sat 1st May 1762 |
Mon 30th Oct 1809 |
| William Henry Cavendish Cavendish-Scott-Bentinck |
of Titchfield (Marquessate) |
Mon 30th Oct 1809 |
Mon 27th Mar 1854 |
| William John Cavendish-Scott-Bentinck |
of Titchfield (Marquessate) |
Mon 27th Mar 1854 |
Sat 6th Dec 1879 |
| Ferdinand William Cavendish-Bentinck |
of Titchfield (Marquessate) |
Mon 21st Mar 1977 |
Sat 13th Dec 1980 |
| John Preston |
Tara (Barony) |
Thu 31st Jul 1800 |
Wed 18th Jul 1821 |
| William |
Trematon (Viscountcy) |
Sat 27th Jul 1726 |
Thu 31st Oct 1765 |
| George Townshend |
Townshend (Marquessate) |
Wed 31st Oct 1787 |
Mon 14th Sep 1807 |
| George Townshend |
Townshend (Marquessate) |
Mon 14th Sep 1807 |
Sat 27th Jul 1811 |
| George John Patrick Dominic Townshend |
Townshend (Marquessate) |
Thu 17th Nov 1921 |
Fri 23rd Apr 2010 |
| John Townshend |
Townshend (Marquessate) |
Mon 31st Dec 1855 |
Thu 10th Sep 1863 |
| John Villiers Stuart Townshend |
Townshend (Marquessate) |
Thu 10th Sep 1863 |
Thu 26th Oct 1899 |