| Jeffreys (Barony) |
George Darell Jeffreys - Sat 12th Jul 1952
|
- |
- |
| Jeger (Barony) |
Lena May Jeger - Wed 11th Jul 1979
|
26 February 2007 |
- |
| Jellicoe (Earldom) |
John Rushworth Jellicoe - Mon 29th Jun 1925
|
- |
- |
| Jellicoe (Viscountcy) |
John Rushworth Jellicoe - Tue 15th Jan 1918
|
- |
- |
| Jellicoe of Southampton (Barony) |
George Patrick John Rushworth Jellicoe - Wed 17th Nov 1999
|
22 February 2007 |
- |
| Jenkin of Kennington (Barony) |
Anne Caroline Jenkin - Wed 26th Jan 2011
|
- |
- |
| Jenkin of Roding (Barony) |
Charles Patrick Fleeming Jenkin - Tue 3rd Nov 1987
|
20 December 2016 |
- |
| Jenkins (Barony) |
David Llewelyn Jenkins - Mon 6th Apr 1959
|
21 July 1969 |
- |
| Jenkins of Hillhead (Barony) |
Roy Harris Jenkins - Fri 20th Nov 1987
|
5 January 2003 |
- |
| Jenkins of Putney (Barony) |
Hugh Gater Jenkins - Thu 14th May 1981
|
26 January 2004 |
- |
| Jermyn (Earldom) |
Frederick William Hervey - Fri 30th Jun 1826
|
- |
- |
| Jessel (Barony) |
Herbert Merton Jessel - Tue 8th Jan 1924
|
13 June 1990 |
- |
| Joffe (Barony) |
Joel Goodman Joffe - Wed 16th Feb 2000
|
18 June 2017 |
- |
| John-Mackie (Barony) |
John John-Mackie - Mon 18th May 1981
|
26 May 1994 |
- |
| Johnson of Lainston (Barony) |
Dominic Robert Andrew Johnson - Wed 19th Oct 2022
|
- |
- |
| Johnson of Marylebone (Barony) |
Joseph Edmund Johnson - Mon 12th Oct 2020
|
- |
- |
| Johnston of Rockport (Barony) |
Charles Collier Johnston - Mon 30th Mar 1987
|
30 April 2002 |
- |
| Joicey (Barony) |
James Joicey - Sat 13th Jan 1906
|
- |
- |
| Jolly (Barony) |
Judith Anne Jolly - Fri 24th Dec 2010
|
- |
- |
| Jones (Barony) |
Stephen Barry Jones - Fri 6th Jul 2001
|
- |
- |