Letters Patent for the Kingdom of Ireland
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By title: H
All letters patent for Kingdom of Ireland
| Kingdom | Reign | Issued on | Peerage types | Peerages | Issued to |
|---|---|---|---|---|---|
| Kingdom of Ireland | Victoria | Mon 10th Aug 1868 | Hereditary peerage subsidiary to another created by the same letters patent | Hamilton | HAMILTON James |
| Kingdom of Ireland | George I | Sun 20th Oct 1715 | Peerage of Ireland | Hamilton | HAMILTON Gustavus |
| Kingdom of Ireland | Charles I | Mon 14th Aug 1634 | Peerage of Ireland | Hamilton | HAMILTON Claud |
| Kingdom of Ireland | Charles II | Wed 2nd Mar 1661 | Peerage of Ireland | Hamilton | HAMILTON Hugh |
| Kingdom of Ireland | James I | Mon 8th May 1617 | Peerage of Ireland | Hamilton | HAMILTON James |
| 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 | Charles I | Sat 8th Jul 1645 | Peerage of Ireland | Hawley | HAWLEY Francis |
| Kingdom of Ireland | George III | Mon 12th Apr 1762 | Promotion in the peerage of Ireland | Headfort | TAYLOUR Thomas |
| Kingdom of Ireland | George II | Sat 6th Sep 1760 | Peerage of Ireland | Headfort | TAYLOUR Thomas |
| Kingdom of Ireland | George III | Tue 30th Dec 1800 | Promotion in the peerage of Ireland | Headfort | TAYLOUR Thomas |
| Kingdom of Ireland | George III | Mon 27th Nov 1797 | Peerage of Ireland | Headley | ALLANSON WINN George |
| Kingdom of Ireland | George III | Sat 9th Nov 1799 | Peerage of Ireland | Henley | EDEN Morton |
| Kingdom of Ireland | George III | Thu 31st Jul 1800 | Peerage of Ireland | Henniker | HENNIKER John |
| Kingdom of Ireland | James I | Tue 31st Dec 1624 | Peerage of Ireland | Herbert | HERBERT Edward |
| Kingdom of Ireland | James I | Wed 5th Aug 1620 | Peerage of Ireland | Hervey | HERVEY William |
| Kingdom of Ireland | William III and Mary II | Sat 9th Apr 1689 | Peerage of Ireland | Hewett | HEWETT George |
| Kingdom of Ireland | George III | Mon 17th Feb 1766 | Hereditary peerage subsidiary to another created by the same letters patent | Hill | HILL-TREVOR Arthur |