| Taaffe (Viscountcy) |
John Taaffe - Tue 1st Aug 1628
|
28 March 1919 |
- |
| Talbot (Barony) |
Richard Talbot - Wed 20th Jun 1685
|
- |
- |
| Talbot de Malahide (Barony) |
Margaret Talbot - Sat 28th May 1831
|
- |
- |
| Tara (Barony) |
Meinhardt Schomberg - Mon 3rd Mar 1692
|
5 July 1719 |
- |
| Tara (Barony) |
John Preston - Thu 31st Jul 1800
|
- |
- |
| Tara (Viscountcy) |
Thomas Preston - Sat 2nd Jul 1650
|
- |
- |
| Teignmouth (Barony) |
John Shore - Sat 3rd Mar 1798
|
- |
- |
| Temple (Barony) |
Henry Temple - Fri 12th Mar 1723
|
- |
- |
| Templetown (Viscountcy) |
John Henry Upton - Thu 13th Feb 1806
|
- |
- |
| Templetown (Barony) |
Clotworthy Upton - Sat 3rd Aug 1776
|
- |
- |
| of Thomond (Earldom) |
Percy Wyndham O'Brien - Sat 11th Dec 1756
|
- |
- |
| of Thomond (Marquessate) |
Murrough O'Brien - Mon 29th Dec 1800
|
- |
- |
| Tracton (Barony) |
James Dennis - Thu 4th Jan 1781
|
- |
- |
| Tracy (Viscountcy) |
John Tracy - Mon 12th Jan 1643
|
- |
- |
| Tracy (Barony) |
John Tracy - Mon 12th Jan 1643
|
- |
- |
| Trevor (Barony) |
Marcus Trevor - Mon 28th Aug 1662
|
- |
- |
| Trim (Barony) |
Thomas Wharton - Fri 12th Apr 1715
|
20 May 1731 |
- |
| Tullamore (Barony) |
Charles William Bury - Sun 26th Nov 1797
|
- |
- |
| Tullogh (Viscountcy) |
Richard Butler - Sat 13th May 1662
|
- |
- |
| Tullogh (Viscountcy) |
Charles Butler - Mon 8th Mar 1694
|
- |
- |