| Lavington (Barony) |
Ralph Payne - Thu 1st Oct 1795
|
3 August 1807 |
- |
| Lecale (Viscountcy) |
Thomas Cromwell - Tue 12th Nov 1624
|
26 November 1687 |
- |
| Lecale (Barony) |
Charles James Fitzgerald - Fri 19th Dec 1800
|
16 February 1810 |
- |
| of Leinster (Dukedom) |
Meinhardt Schomberg - Mon 3rd Mar 1692
|
5 July 1719 |
- |
| Leitrim (Barony) |
Robert Clements - Sat 11th Oct 1783
|
9 June 1952 |
- |
| Lifford (Barony) |
James Hewitt - Sat 9th Jan 1768
|
- |
- |
| Ligonier (Viscountcy) |
John Ligonier - Wed 21st Dec 1757
|
28 April 1770 |
- |
| Ligonier (Viscountcy) |
John Ligonier - Thu 20th May 1762
|
14 June 1782 |
- |
| Limerick (Viscountcy) |
James Hamilton - Sat 13th May 1719
|
6 February 1798 |
- |
| Lisburne (Viscountcy) |
Adam Loftus - Tue 29th Jan 1686
|
15 September 1691 |
- |
| Lisburne (Viscountcy) |
John Vaughan - Sat 25th Jun 1695
|
- |
- |
| Lisle (Barony) |
John Lysaght - Mon 18th Sep 1758
|
- |
- |
| Lismore (Barony) |
Cornelius O'Callaghan - Mon 27th Jun 1785
|
29 October 1898 |
- |
| Loftus (Viscountcy) |
Adam Loftus - Tue 10th May 1622
|
6 November 1725 |
- |
| Loftus (Barony) |
Nicholas Loftus - Tue 5th Oct 1751
|
8 May 1783 |
- |
| Loftus (Barony) |
Charles Tottenham Loftus - Tue 28th Jun 1785
|
- |
- |
| Londonderry (Barony) |
Thomas Pitt - Sat 3rd Jun 1719
|
8 January 1765 |
- |
| Londonderry (Barony) |
Robert Stewart - Sun 20th Sep 1789
|
- |
- |
| of Longford (Earldom) |
Elizabeth Pakenham - Mon 20th Jun 1785
|
- |
- |
| Longford (Barony) |
Thomas Pakenham - Fri 7th May 1756
|
- |
- |