| Lorton (Viscountcy) |
Robert Edward King - Wed 28th May 1806
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- |
- |
| of Louth (Earldom) |
Thomas Bermingham - Mon 23rd Apr 1759
|
11 January 1799 |
- |
| of Lucan (Earldom) |
Charles Bingham - Thu 1st Oct 1795
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- |
- |
| Ludlow (Earldom) |
Peter Ludlow - Fri 3rd Oct 1760
|
16 April 1842 |
- |
| Macartney (Earldom) |
George Macartney - Sat 1st Mar 1794
|
31 March 1806 |
- |
| Macartney (Viscountcy) |
George Macartney - Thu 19th Jul 1792
|
31 March 1806 |
- |
| of Massereene (Earldom) |
Clotworthy Skeffington - Fri 16th Jul 1756
|
25 February 1816 |
- |
| of Mayo (Earldom) |
John Bourke - Fri 24th Jun 1785
|
- |
- |
| Mayo (Viscountcy) |
John Bourke - Sat 13th Jan 1781
|
- |
- |
| of Meath (Earldom) |
William Brabazon - Fri 16th Apr 1627
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- |
- |
| Melbourne (Viscountcy) |
Peniston Lamb - Thu 11th Jan 1781
|
29 January 1853 |
- |
| of Mexborough (Earldom) |
John Savile - Tue 11th Feb 1766
|
- |
- |
| Micklethwaite (Viscountcy) |
Joseph Micklethwaite - Fri 6th Jun 1727
|
16 January 1734 |
- |
| Midleton (Viscountcy) |
Alan Brodrick - Sun 15th Aug 1717
|
- |
- |
| of Milltown (Earldom) |
Joseph Leeson - Tue 10th May 1763
|
- |
- |
| of Moira (Earldom) |
John Rawdon - Sat 30th Jan 1762
|
10 November 1868 |
- |
| Monck (Viscountcy) |
Charles Stanley Monck - Mon 5th Jan 1801
|
- |
- |
| Moore (Viscountcy) |
Gerald Moore - Mon 7th Feb 1622
|
- |
- |
| of Mornington (Earldom) |
Garret Wesley - Thu 2nd Oct 1760
|
- |
- |
| of Mount Alexander (Earldom) |
Hugh Montgomery - Mon 18th Jul 1661
|
7 April 1757 |
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