| Adrian (Barony) |
Edgar Douglas Adrian - Fri 28th Jan 1955
|
4 April 1995 |
- |
| Afshar (Barony) |
Haleh Afshar - Tue 11th Dec 2007
|
12 May 2022 |
- |
| Agnew of Oulton (Barony) |
Theodore Thomas More Agnew - Thu 19th Oct 2017
|
- |
- |
| Ahmad of Wimbledon (Barony) |
Tariq Mahmood Ahmad - Thu 13th Jan 2011
|
- |
- |
| Ahmed (Barony) |
Nazir Ahmed - Mon 3rd Aug 1998
|
- |
- |
| of Ailesbury (Marquessate) |
Charles Brudenell-Bruce - Tue 17th Jul 1821
|
- |
- |
| Ailsa (Barony) |
Archibald Kennedy - Wed 12th Nov 1806
|
- |
- |
| of Ailsa (Marquessate) |
Archibald Kennedy - Sat 10th Sep 1831
|
- |
- |
| Ailwyn (Barony) |
Ailwyn Edward Fellowes - Fri 1st Jul 1921
|
27 September 1988 |
- |
| Airedale (Barony) |
James Kitson - Wed 17th Jul 1907
|
19 March 1996 |
- |
| Airey (Barony) |
Richard Airey - Wed 29th Nov 1876
|
13 September 1881 |
- |
| Airey of Abingdon (Barony) |
Diana Josceline Barbara Neave - Mon 6th Aug 1979
|
27 November 1992 |
- |
| Alanbrooke (Barony) |
Alan Francis Brooke - Tue 18th Sep 1945
|
10 January 2018 |
- |
| Alanbrooke (Viscountcy) |
Alan Francis Brooke - Tue 29th Jan 1946
|
10 January 2018 |
- |
| of Albany (Dukedom) |
Leopold George Duncan Albert - Tue 24th May 1881
|
28 March 1919 |
- |
| Alcester (Barony) |
Frederick Beauchamp Paget Seymour - Fri 24th Nov 1882
|
30 March 1895 |
- |
| Aldenham (Barony) |
Henry Hucks Gibbs - Fri 31st Jan 1896
|
- |
- |
| Alderdice (Barony) |
John Alderdice - Tue 8th Oct 1996
|
- |
- |
| Alderney (Viscountcy) |
Louis Alexander Mountbatten - Tue 17th Jul 1917
|
- |
- |
| Aldington (Barony) |
Austin Richard William Low - Mon 29th Jan 1962
|
- |
- |