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 | Mon 19th Jan 1767 | Peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | Clare, Nugent | NUGENT Robert |
| Kingdom of Ireland | George III | Thu 19th Mar 1761 | Promotion in the peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | Kildare, Offaly | FITZGERALD James |
| Kingdom of Ireland | George III | Tue 11th Feb 1766 | Promotion in the peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | Mexborough, Pollington | SAVILE John |
| Kingdom of Ireland | George III | Fri 24th Nov 1797 | Peerage of Ireland | Norwood | TOLER Grace |
| Kingdom of Ireland | George III | Fri 26th Dec 1800 | Peerage of Ireland | Nugent | NUGENT-TEMPLE-GRENVILLE Mary Elizabeth |
| Kingdom of Ireland | George III | Sun 21st Jul 1776 | Promotion in the peerage of Ireland | Nugent | NUGENT Robert |
| Kingdom of Ireland | George III | Thu 28th Aug 1800 | Promotion in the peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | O'Neill, Raymond | O'NEILL Charles Henry |
| Kingdom of Ireland | George III | Sat 3rd Oct 1795 | Promotion in the peerage of Ireland | O'Neill | O'NEILL John |
| Kingdom of Ireland | George III | Fri 25th Oct 1793 | Peerage of Ireland | O'Neill | O'NEILL John |
| Kingdom of Ireland | George III | Tue 30th Jul 1776 | Peerage of Ireland | Ongley | HENLEY ONGLEY Robert |
| Kingdom of Ireland | George III | Sat 5th Jun 1790 | Peerage of Ireland | Oriel | FOSTER Margaretta Amelia |
| Kingdom of Ireland | George III | Sun 21st Jul 1776 | Promotion in the peerage of Ireland | Orwell | VERNON Francis |
| Kingdom of Ireland | George III | Wed 7th Apr 1762 | Peerage of Ireland | Orwell | VERNON Francis |
| Kingdom of Ireland | George III | Sat 22nd Sep 1792 | Peerage of Ireland | Oxmantown | HARMAN Laurence Harman |
| Kingdom of Ireland | George III | Fri 2nd Oct 1795 | Promotion in the peerage of Ireland | Oxmantown | HARMAN Laurence Harman |
| Kingdom of Ireland | George III | Wed 19th Nov 1783 | Peerage of Ireland | Penrhyn | PENNANT Richard |
| Kingdom of Ireland | George III | Fri 30th Dec 1785 | Peerage of Ireland | Pery | PERY Edmond Sexten |
| Kingdom of Ireland | George III | Sat 18th Jan 1766 | Peerage of Ireland | Pigot | PIGOT George |
| Kingdom of Ireland | George III | Tue 21st Jun 1785 | Promotion in the peerage of Ireland | Portarlington | DAWSON John |
| Kingdom of Ireland | George III | Sat 20th Dec 1800 | Peerage of Ireland | Radstock | WALDEGRAVE William |