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 | Sat 15th Nov 1766 | Promotion in the peerage of Ireland | Kingston | KING Edward |
| Kingdom of Ireland | George III | Fri 13th Jul 1764 | Peerage of Ireland | Kingston | KING Edward |
| Kingdom of Ireland | George III | Thu 25th Aug 1768 | Promotion in the peerage of Ireland | Kingston | KING Edward |
| Kingdom of Ireland | George III | Sun 12th Oct 1783 | Peerage of Ireland | Landaff | MATHEW Francis |
| Kingdom of Ireland | George III | Wed 4th Dec 1793 | Promotion in the peerage of Ireland | Landaff | MATHEW Francis |
| Kingdom of Ireland | George III | Wed 22nd Nov 1797 | Promotion in the peerage of Ireland | Landaff | MATHEW Francis |
| Kingdom of Ireland | George III | Thu 31st Jul 1800 | Peerage of Ireland | Langford | ROWLEY Clotworthy |
| Kingdom of Ireland | George III | Wed 19th Feb 1766 | Peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent | Langford, Somerhill | ROWLEY Elizabeth Ormsby |
| Kingdom of Ireland | George III | Thu 1st Oct 1795 | Peerage of Ireland | Lavington | PAYNE Ralph |
| Kingdom of Ireland | George III | Fri 19th Dec 1800 | Peerage of Ireland | Lecale | FITZGERALD Charles James |
| Kingdom of Ireland | George III | Wed 26th Nov 1766 | Promotion in the peerage of Ireland | Leinster | FITZGERALD James |
| Kingdom of Ireland | George III | Tue 3rd Dec 1793 | Promotion in the peerage of Ireland | Leitrim | CLEMENTS Robert |
| Kingdom of Ireland | George III | Sat 11th Oct 1783 | Peerage of Ireland | Leitrim | CLEMENTS Robert |
| Kingdom of Ireland | George III | Wed 30th Sep 1795 | Promotion in the peerage of Ireland | Leitrim | CLEMENTS Robert |
| Kingdom of Ireland | George III | Thu 4th Jan 1781 | Promotion in the peerage of Ireland | Lifford | HEWITT James |
| Kingdom of Ireland | George III | Sat 9th Jan 1768 | Peerage of Ireland | Lifford | HEWITT James |
| Kingdom of Ireland | George III | Fri 19th Jul 1776 | Promotion in the peerage of Ireland | Ligonier | LIGONIER Edward |
| Kingdom of Ireland | George III | Thu 20th May 1762 | Peerage of Ireland | Ligonier | LIGONIER John |
| Kingdom of Ireland | George III | Mon 29th Dec 1800 | Promotion in the peerage of Ireland | Limerick | PERY Edmund Henry |
| Kingdom of Ireland | George III | Thu 18th Jul 1776 | Promotion in the peerage of Ireland | Lisburne | VAUGHAN Wilmot |