| John Crichton-Stuart |
Mountjoy (Viscountcy) |
Tue 14th Aug 1956 |
Wed 21st Jul 1993 |
| John Colum Crichton-Stuart |
Mountjoy (Viscountcy) |
Wed 21st Jul 1993 |
Mon 22nd Mar 2021 |
| John Crichton-Stuart |
Mountjoy (Viscountcy) |
Wed 16th Nov 1814 |
Sat 18th Mar 1848 |
| John Patrick Crichton-Stuart |
Mountjoy (Viscountcy) |
Sat 18th Mar 1848 |
Tue 9th Oct 1900 |
| John Crichton-Stuart |
Mountjoy (Viscountcy) |
Tue 9th Oct 1900 |
Fri 25th Apr 1947 |
| John Crichton-Stuart |
Mountjoy (Viscountcy) |
Fri 25th Apr 1947 |
Tue 14th Aug 1956 |
| Thomas Willoughby |
Middleton (Barony) |
Fri 1st Jan 1712 |
Sat 2nd Apr 1729 |
| Michael Charles James Willoughby |
Middleton (Barony) |
Fri 27th May 2011 |
|
| Digby Michael Godfrey John Willoughby |
Middleton (Barony) |
Mon 16th Nov 1970 |
Fri 27th May 2011 |
| Henry Willoughby |
Middleton (Barony) |
Sat 14th Jun 1800 |
Fri 19th Jun 1835 |
| Digby Willoughby |
Middleton (Barony) |
Fri 19th Jun 1835 |
Wed 5th Nov 1856 |
| Henry Willoughby |
Middleton (Barony) |
Wed 5th Nov 1856 |
Thu 20th Dec 1877 |
| Digby Wentworth Bayard Willoughby |
Middleton (Barony) |
Thu 20th Dec 1877 |
Sun 28th May 1922 |
| Godfrey Ernest Percival Willoughby |
Middleton (Barony) |
Sun 28th May 1922 |
Tue 11th Nov 1924 |
| Michael Guy Percival Willoughby |
Middleton (Barony) |
Tue 11th Nov 1924 |
Mon 16th Nov 1970 |
| George Montagu |
of Montagu (Dukedom) |
Wed 5th Nov 1766 |
Sun 23rd May 1790 |
| Thomas Windsor |
Mountjoy (Barony) |
Fri 1st Jan 1712 |
Sun 8th Jun 1738 |
| Luke Gardiner |
Mountjoy (Viscountcy) |
Wed 30th Sep 1795 |
Tue 5th Jun 1798 |
| Charles John Gardiner |
Mountjoy (Viscountcy) |
Tue 5th Jun 1798 |
Mon 25th May 1829 |
| Samuel Masham |
Masham (Barony) |
Fri 1st Jan 1712 |
Mon 16th Oct 1758 |