| St Helens (Barony) |
Alleyne Fitzherbert - Wed 26th Jan 1791
|
19 February 1839 |
- |
| Strangford (Viscountcy) |
Thomas Smythe - Mon 17th Jul 1628
|
9 January 1869 |
- |
| Sudley (Viscountcy) |
Arthur Gore - Tue 15th Aug 1758
|
- |
- |
| Sunderlin (Barony) |
Richard Malone - Thu 30th Jun 1785
|
14 April 1816 |
- |
| Sunderlin (Barony) |
Richard Malone - Tue 21st Nov 1797
|
14 April 1816 |
- |
| Sundon (Barony) |
William Clayton - Thu 2nd Jun 1735
|
29 April 1752 |
- |
| Sydney (Barony) |
Dudley Alexander Sydney Cosby - Thu 14th Jul 1768
|
22 January 1774 |
- |
| Taaffe (Viscountcy) |
John Taaffe - Tue 1st Aug 1628
|
28 March 1919 |
- |
| Talbot de Malahide (Barony) |
Margaret Talbot - Sat 28th May 1831
|
- |
- |
| Tara (Barony) |
John Preston - Thu 31st Jul 1800
|
18 July 1821 |
- |
| Tara (Viscountcy) |
Thomas Preston - Sat 2nd Jul 1650
|
- |
- |
| Teignmouth (Barony) |
John Shore - Sat 3rd Mar 1798
|
7 July 1981 |
- |
| Templetown (Barony) |
Clotworthy Upton - Sat 3rd Aug 1776
|
10 February 1981 |
- |
| of Thomond (Earldom) |
Percy Wyndham O'Brien - Sat 11th Dec 1756
|
21 July 1774 |
- |
| of Thomond (Earldom) |
Murrough O'Brien - Sun 1st Jul 1543
|
- |
- |
| Tracton (Barony) |
James Dennis - Thu 4th Jan 1781
|
15 June 1782 |
- |
| Tracy (Viscountcy) |
John Tracy - Mon 12th Jan 1643
|
- |
- |
| Tullamore (Barony) |
Charles William Bury - Sun 26th Nov 1797
|
26 June 1875 |
- |
| Tyrawley (Barony) |
Charles O'Hara - Mon 10th Jan 1707
|
14 July 1773 |
- |
| Tyrawley (Barony) |
James Cuffe - Wed 22nd Nov 1797
|
15 June 1821 |
- |