| Aldenham (Barony) |
Henry Hucks Gibbs - Fri 31st Jan 1896
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- |
- |
| Alderney (Viscountcy) |
Louis Alexander Mountbatten - Tue 17th Jul 1917
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- |
- |
| Aldington (Barony) |
Austin Richard William Low - Mon 29th Jan 1962
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- |
- |
| Alexander of Hillsborough (Viscountcy) |
Albert Victor Alexander - Fri 27th Jan 1950
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11 January 1965 |
- |
| Alexander of Tunis (Viscountcy) |
Harold Rupert Leofric George Alexander - Fri 1st Mar 1946
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- |
- |
| Alington (Barony) |
Henry Gerard Sturt - Sat 15th Jan 1876
|
17 September 1940 |
- |
| Allenby of Megiddo (Viscountcy) |
Edmund Henry Hynman Allenby - Tue 7th Oct 1919
|
- |
- |
| Allendale (Barony) |
Wentworth Blackett Beaumont - Fri 20th Jul 1906
|
- |
- |
| Allen of Hurtwood (Barony) |
Reginald Clifford Allen - Mon 18th Jan 1932
|
3 March 1939 |
- |
| Allerton (Barony) |
William Lawies Jackson - Thu 17th Jul 1902
|
1 July 1991 |
- |
| Alness (Barony) |
Robert Munro - Wed 27th Jun 1934
|
6 October 1955 |
- |
| Althorp (Viscountcy) |
Charles Robert Spencer - Tue 19th Dec 1905
|
- |
- |
| Altrincham (Barony) |
Edward William Macleay Grigg - Wed 1st Aug 1945
|
- |
- |
| Alvanley (Barony) |
Richard Pepper Arden - Fri 22nd May 1801
|
24 June 1857 |
- |
| Alverstone (Barony) |
Richard Everard Webster - Mon 18th Jun 1900
|
15 December 1915 |
- |
| Alvingham (Barony) |
Robert Daniel Thwaites Yerburgh - Wed 10th Jul 1929
|
- |
- |
| Amberley (Viscountcy) |
John Russell - Tue 30th Jul 1861
|
- |
- |
| Amesbury (Barony) |
Charles Dundas - Wed 16th May 1832
|
30 June 1832 |
- |
| Amherst (Barony) |
Jeffrey Amherst - Mon 20th May 1776
|
3 August 1797 |
- |
| Amherst of Hackney (Barony) |
William Amhurst Tyssen Amherst - Fri 26th Aug 1892
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