| Peter Michael Imbert |
Imbert, of New Romney in the County of Kent (Barony) |
Wed 10th Feb 1999 |
Mon 13th Nov 2017 |
| Rupert Edward Cecil Lee Guinness |
of Iveagh (Earldom) |
Fri 7th Oct 1927 |
Thu 14th Sep 1967 |
| Arthur Francis Benjamin Guinness |
of Iveagh (Earldom) |
Thu 14th Sep 1967 |
Thu 18th Jun 1992 |
| Arthur Edward Rory Guinness |
of Iveagh (Earldom) |
Thu 18th Jun 1992 |
|
| Edward Cecil Guinness |
of Iveagh (Earldom) |
Tue 30th Sep 1919 |
Fri 7th Oct 1927 |
| William Morgan Fletcher-Vane |
Inglewood, of Hutton in the Forest in the County of Cumberland (Barony) |
Tue 30th Jun 1964 |
Thu 22nd Jun 1989 |
| William Richard Fletcher-Vane |
Inglewood, of Hutton in the Forest in the County of Cumberland (Barony) |
Thu 22nd Jun 1989 |
|
| Edward Cecil Guinness |
Iveagh, of Iveagh in the County of Down (Barony) |
Wed 21st Jan 1891 |
Fri 7th Oct 1927 |
| Rupert Edward Cecil Lee Guinness |
Iveagh, of Iveagh in the County of Down (Barony) |
Fri 7th Oct 1927 |
Thu 14th Sep 1967 |
| Arthur Francis Benjamin Guinness |
Iveagh, of Iveagh in the County of Down (Barony) |
Thu 14th Sep 1967 |
Thu 18th Jun 1992 |
| Arthur Edward Rory Guinness |
Iveagh, of Iveagh in the County of Down (Barony) |
Thu 18th Jun 1992 |
|
| Alexander Andrew Mackay Irvine |
Irvine of Lairg, of Lairg in the District of Sutherland (Barony) |
Wed 25th Mar 1987 |
|
| Augustus Frederick |
of Inverness (Earldom) |
Fri 27th Nov 1801 |
Fri 21st Apr 1843 |
| James Lyle Mackay |
Inchcape, of Strathnaver in the County of Sutherland (Barony) |
Mon 26th Jun 1911 |
Mon 23rd May 1932 |
| Kenneth Mackay |
Inchcape, of Strathnaver in the County of Sutherland (Barony) |
Mon 23rd May 1932 |
Wed 21st Jun 1939 |
| Kenneth James William Mackay |
Inchcape, of Strathnaver in the County of Sutherland (Barony) |
Wed 21st Jun 1939 |
Thu 17th Mar 1994 |
| Kenneth Peter Lyle Mackay |
Inchcape, of Strathnaver in the County of Sutherland (Barony) |
Thu 17th Mar 1994 |
|
| Murrough O'Brien |
of Inchiquin (Earldom) |
Wed 21st Oct 1654 |
Sun 9th Sep 1674 |
| Murrough O'Brien |
of Inchiquin (Earldom) |
Fri 18th Jul 1777 |
Wed 10th Feb 1808 |
| William O'Bryen |
of Inchiquin (Earldom) |
Wed 10th Feb 1808 |
Fri 21st Aug 1846 |