| Ibrackan (Barony) |
Percy Wyndham O'Brien - Sat 11th Dec 1756
|
21 July 1774 |
- |
| Ibrackan (Barony) |
Donogh O'Brien - Sun 1st Jul 1543
|
- |
- |
| of Iddesleigh (Earldom) |
Stafford Henry Northcote - Fri 3rd Jul 1885
|
- |
- |
| Ikerrin (Viscountcy) |
Pierce Butler - Sat 12th May 1629
|
- |
- |
| of Ilay (Viscountcy) |
Archibald Campbell - Tue 19th Oct 1706
|
15 April 1761 |
- |
| of Ilay (Earldom) |
Archibald Campbell - Tue 19th Oct 1706
|
15 April 1761 |
- |
| Ilchester (Barony) |
Stephen Fox - Thu 12th Jan 1747
|
- |
- |
| Ilchester (Barony) |
Stephen Fox - Thu 11th May 1741
|
- |
- |
| of Ilchester (Earldom) |
Stephen Fox - Thu 17th Jun 1756
|
- |
- |
| Ilford (Barony) |
Geoffrey Clegg Hutchinson - Mon 14th May 1962
|
20 August 1974 |
- |
| Iliffe (Barony) |
Edward Mauger Iliffe - Thu 22nd Jun 1933
|
- |
- |
| Ilkeston (Barony) |
Balthazar Walter Foster - Thu 14th Jul 1910
|
4 January 1952 |
- |
| Illingworth (Barony) |
Albert Holden Illingworth - Sat 4th Jun 1921
|
23 January 1942 |
- |
| Imbert (Barony) |
Peter Michael Imbert - Wed 10th Feb 1999
|
13 November 2017 |
- |
| Immaney (Barony) |
Richard Burke - Wed 23rd Aug 1628
|
- |
- |
| Inchcape (Viscountcy) |
James Lyle Mackay - Mon 21st Jan 1924
|
- |
- |
| of Inchcape (Earldom) |
James Lyle Mackay - Thu 20th Jun 1929
|
- |
- |
| Inchcape (Barony) |
James Lyle Mackay - Mon 26th Jun 1911
|
- |
- |
| of Inchiquin (Earldom) |
Murrough O'Brien - Wed 21st Oct 1654
|
3 July 1855 |
- |
| Inchiquin (Barony) |
Murrough O'Brien - Sun 1st Jul 1543
|
- |
- |