| Kenneth James William Mackay |
of Inchcape (Earldom) |
Wed 21st Jun 1939 |
Thu 17th Mar 1994 |
| Kenneth Peter Lyle Mackay |
of Inchcape (Earldom) |
Thu 17th Mar 1994 |
|
| James Lyle Mackay |
of Inchcape (Earldom) |
Thu 20th Jun 1929 |
Mon 23rd May 1932 |
| Pierce Butler |
Ikerrin (Viscountcy) |
Sat 12th May 1629 |
|
| Somerset Hamilton Butler |
Ikerrin (Viscountcy) |
Mon 20th Oct 1721 |
Fri 15th Apr 1774 |
| Charles Ernest Alfred French Somerset Butler |
Ikerrin (Viscountcy) |
Tue 6th Apr 1909 |
Mon 2nd Nov 1931 |
| Brian Stuart Theobald Somerset Caher Butler |
Ikerrin (Viscountcy) |
Wed 31st Jul 1957 |
Mon 5th Oct 1992 |
| David James Theobald Somerset Butler |
Ikerrin (Viscountcy) |
Mon 5th Oct 1992 |
Tue 8th Jan 2008 |
| Henry Thomas Butler |
Ikerrin (Viscountcy) |
Fri 15th Apr 1774 |
Tue 20th Jul 1813 |
| Somerset Richard Butler |
Ikerrin (Viscountcy) |
Tue 20th Jul 1813 |
Sun 4th Feb 1838 |
| Henry Thomas Butler |
Ikerrin (Viscountcy) |
Sun 4th Feb 1838 |
Thu 16th Apr 1846 |
| Somerset Arthur Butler |
Ikerrin (Viscountcy) |
Thu 16th Apr 1846 |
Sun 22nd Dec 1901 |
| Charles Henry Somerset Butler |
Ikerrin (Viscountcy) |
Sun 22nd Dec 1901 |
Tue 6th Apr 1909 |
| Theobald Walter Somerset Henry Butler |
Ikerrin (Viscountcy) |
Mon 2nd Nov 1931 |
Wed 31st Jul 1957 |
| Simon Luttrell |
Irnham (Barony) |
Thu 13th Oct 1768 |
Sun 14th Jan 1787 |
| Henry Lawes Luttrell |
Irnham (Barony) |
Sun 14th Jan 1787 |
Wed 25th Apr 1821 |
| John Luttrell-Olmius |
Irnham (Barony) |
Wed 25th Apr 1821 |
Tue 17th Mar 1829 |
| Andrew Albert Christian Edward |
of Inverness (Earldom) |
Wed 23rd Jul 1986 |
|
| Balthazar Walter Foster |
Ilkeston, of Ilkeston in the County of Derby (Barony) |
Thu 14th Jul 1910 |
Fri 31st Jan 1913 |
| Balthazar Stephen Sargant Foster |
Ilkeston, of Ilkeston in the County of Derby (Barony) |
Fri 31st Jan 1913 |
Fri 4th Jan 1952 |