George III , monarch of the United Kingdom
1 January 1801 until 29 January 1820.
Letters Patent for this reign
| Kingdom | Reign | Issued on | Peerage types | Peerages | Issued to |
|---|---|---|---|---|---|
| United Kingdom | George III | Wed 29th Nov 1815 | Promotion, Promotion | Boringdon, Morley | PARKER John |
| United Kingdom | George III | Thu 30th Nov 1815 | Promotion, Promotion | Bradford, Newport | BRIDGEMAN Orlando |
| Kingdom of Ireland | George III | Mon 15th Jan 1816 | Promotion in the peerage of Ireland, Hereditary peerage subsidiary to another created by the same letters patent, Hereditary peerage subsidiary to another created by the same letters patent | Conyngham, Mount Charles, Slane | CONYNGHAM Henry |
| United Kingdom | George III | Fri 24th Dec 1802 | Hereditary peerage, Hereditary peerage | Dunira, Melville | DUNDAS Henry |
| United Kingdom | George III | Fri 11th Aug 1815 | Hereditary peerage (already peer of Scotland) | Meldrum | GORDON George |
| United Kingdom | George III | Wed 24th Feb 1813 | Promotion, Promotion | Melgund, Minto | ELLIOT MURRAY KYNYNMOUND Gilbert |
| United Kingdom | George III | Wed 20th Nov 1805 | Promotion, Promotion | Merton, Nelson | NELSON William |
| Kingdom of Ireland | George III | Mon 5th Jan 1801 | Promotion in the peerage of Ireland | Monck | MONCK Charles Stanley |
| United Kingdom | George III | Thu 20th Feb 1806 | Hereditary peerage (already peer of Ireland) | Monteagle | BROWNE John Denis |
| United Kingdom | George III | Sat 17th Jan 1801 | Hereditary peerage (already peer of Ireland) | Moore | MOORE Charles |
| Kingdom of Ireland | George III | Sat 3rd Feb 1816 | Promotion in the peerage of Ireland | Mount Earl | QUIN Valentine Richard |
| United Kingdom | George III | Mon 7th Sep 1812 | Promotion, Promotion | Mulgrave, Normanby | PHIPPS Henry |
| United Kingdom | George III | Fri 22nd May 1801 | Promotion | Nelson | NELSON Horatio |
| United Kingdom | George III | Tue 18th Aug 1801 | New hereditary peerage: not a promotion | Nelson | NELSON Horatio |
| Kingdom of Ireland | George III | Fri 11th Feb 1803 | Promotion in the peerage of Ireland | Newcomen | GLEADOWE-NEWCOMEN Charlotte |
| United Kingdom | George III | Tue 17th May 1814 | Hereditary peerage | Niddry | HOPE John |
| Kingdom of Ireland | George III | Tue 4th Feb 1806 | Promotion in the peerage of Ireland | Normanton | AGAR Charles |