George III , monarch of the Kingdom of Ireland
25 October 1760 until 1 January 1801.
Letters Patent for this reign
| Kingdom | Reign | Issued on | Peerage types | Peerages | Issued to |
|---|---|---|---|---|---|
| Kingdom of Ireland | George III | Tue 18th Nov 1766 | Hereditary peerage subsidiary to another created by the same letters patent, Peerage of Ireland | Ardelve, Fortrose | MACKENZIE Kenneth |
| Kingdom of Ireland | George III | Mon 17th Nov 1766 | Peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | Clanwilliam, Gillford | MEADE John |
| Kingdom of Ireland | George III | Mon 6th Jul 1789 | Peerage of Ireland | Fitzgibbon | FITZGIBBON John |
| Kingdom of Ireland | George III | Thu 31st Jul 1800 | Peerage of Ireland | Frankfort de Montmorency | DE MONTMORENCY Lodge Evans |
| Kingdom of Ireland | George III | Tue 23rd Dec 1800 | Peerage of Ireland | Gardner | GARDNER Alan |
| Kingdom of Ireland | George III | Mon 22nd Jul 1776 | Promotion in the peerage of Ireland | Glandore | CROSBIE William |
| Kingdom of Ireland | George III | Sun 21st Dec 1800 | Peerage of Ireland | Glenbervie | DOUGLAS Sylvester |
| Kingdom of Ireland | George III | Wed 2nd Jun 1790 | Peerage of Ireland | Glentworth | PERY William Cecil |
| Kingdom of Ireland | George III | Fri 14th Nov 1766 | Promotion in the peerage of Ireland | Glerawly | ANNESLEY William |
| Kingdom of Ireland | George III | Sat 30th Jun 1764 | Peerage of Ireland | Gore | GORE Ralph |
| Kingdom of Ireland | George III | Mon 20th Jun 1785 | Promotion in the peerage of Ireland | Gosford | ACHESON Archibald |
| Kingdom of Ireland | George III | Sat 20th Jul 1776 | Peerage of Ireland | Gosford | ACHESON Archibald |
| Kingdom of Ireland | George III | Thu 19th Feb 1767 | Promotion in the peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | Grandison, Villiers | HALIFAX Elizabeth |
| Kingdom of Ireland | George III | Fri 24th Oct 1794 | Peerage of Ireland | Graves | GRAVES Thomas |
| Kingdom of Ireland | George III | Tue 5th Jul 1791 | Promotion in the peerage of Ireland | Harberton | POMEROY Arthur |
| Kingdom of Ireland | George III | Fri 10th Oct 1783 | Peerage of Ireland | Harberton | POMEROY Arthur |
| Kingdom of Ireland | George III | Thu 31st Jul 1800 | Peerage of Ireland | Hartland | MAHON Maurice |
| Kingdom of Ireland | George III | Thu 5th Dec 1793 | Promotion in the peerage of Ireland | Hawarden | MAUDE Cornwallis |
| Kingdom of Ireland | George III | Tue 30th Dec 1800 | Promotion in the peerage of Ireland | Headfort | TAYLOUR Thomas |
| Kingdom of Ireland | George III | Mon 12th Apr 1762 | Promotion in the peerage of Ireland | Headfort | TAYLOUR Thomas |