James I , monarch of the Kingdom of Ireland
24 March 1603 until 27 March 1625.
Letters Patent for this reign
| Kingdom | Reign | Issued on | Peerage types | Peerages | Issued to |
|---|---|---|---|---|---|
| Kingdom of Ireland | James I | Tue 10th May 1622 | Peerage of Ireland | Loftus | LOFTUS Adam |
| Kingdom of Ireland | James I | Tue 23rd Aug 1622 | Promotion in the peerage of Ireland | Londonderry | RIDGEWAY Thomas |
| Kingdom of Ireland | James I | Tue 18th Jul 1623 | Peerage of Ireland | Magennis | MAGENNIS Arthur |
| Kingdom of Ireland | James I | Sat 30th May 1620 | Peerage of Ireland | Maynard | MAYNARD William |
| Kingdom of Ireland | James I | Tue 3rd May 1622 | Peerage of Ireland | Montgomery | MONTGOMERY Hugh |
| Kingdom of Ireland | James I | Wed 20th Jul 1616 | Peerage of Ireland | Moore | MOORE Gerald |
| Kingdom of Ireland | James I | Mon 7th Feb 1622 | Promotion in the peerage of Ireland | Moore | MOORE Gerald |
| Kingdom of Ireland | James I | Wed 31st Jan 1618 | Peerage of Ireland | Mountjoy | BLOUNT Mountjoy |
| Kingdom of Ireland | James I | Sun 3rd Apr 1622 | Peerage of Ireland | Netterville | NETTERVILLE Nicholas |
| Kingdom of Ireland | James I | Tue 19th Feb 1619 | Peerage of Ireland | Powerscourt | WINGFIELD Richard |
| Kingdom of Ireland | James I | Wed 25th May 1616 | Peerage of Ireland | Ridgeway | RIDGEWAY Thomas |
| Kingdom of Ireland | James I | Fri 5th Aug 1622 | Promotion in the peerage of Ireland | Roscommon | DILLON James |
| Kingdom of Ireland | James I | Sat 27th Sep 1603 | Peerage of Ireland | Tyrconnel | O'DONNELL Roderick |
| Kingdom of Ireland | James I | Mon 1st Mar 1621 | Peerage of Ireland | Valentia | POWER Henry |
| Kingdom of Ireland | James I | Fri 11th Mar 1622 | Peerage of Ireland | Valentia | ANNESLEY Francis |
| Kingdom of Ireland | James I | Tue 13th Jul 1621 | Peerage of Ireland | Vaughan | VAUGHAN John |
| Kingdom of Ireland | James I | Sat 4th Sep 1621 | Promotion in the peerage of Ireland | Westmeath | NUGENT Richard |
| Kingdom of Ireland | James I | Mon 4th Jan 1621 | Peerage of Ireland | Wilmot | WILMOT Charles |