| Atkin (Barony) |
James Richard Atkin - Mon 6th Feb 1928
|
25 June 1944 |
- |
| Atkinson (Barony) |
John Atkinson - Tue 19th Dec 1905
|
13 March 1932 |
- |
| Attenborough (Barony) |
Richard Samuel Attenborough - Fri 30th Jul 1993
|
24 August 2014 |
- |
| Attlee (Earldom) |
Clement Richard Attlee - Fri 16th Dec 1955
|
- |
- |
| Auchterhouse (Lordship) |
James Stewart
|
- |
- |
| of Auckland (Earldom) |
George Eden - Sat 21st Dec 1839
|
1 January 1849 |
- |
| Auckland (Barony) |
William Eden - Wed 22nd May 1793
|
- |
- |
| Auckland (Barony) |
William Eden - Fri 18th Sep 1789
|
- |
- |
| Audley (Barony) |
George Tuchet - Tue 6th Sep 1616
|
22 April 1777 |
- |
| Audley (Barony) |
James Tuchet - Fri 3rd Jun 1633
|
- |
- |
| Audley (Barony) |
No Letters Patent
|
- |
- |
| Aungier (Barony) |
Francis Aungier - Tue 29th Jun 1621
|
23 January 1705 |
- |
| Austin (Barony) |
Herbert Austin - Thu 16th Jul 1936
|
23 May 1941 |
- |
| Austin of Dudley (Barony) |
Ian Christopher Austin - Wed 2nd Sep 2020
|
- |
- |
| of Ava (Earldom) |
Frederick Temple Blackwood - Sat 17th Nov 1888
|
29 May 1988 |
- |
| Avebury (Barony) |
John Lubbock - Mon 22nd Jan 1900
|
- |
- |
| Aveland (Barony) |
Gilbert John Heathcote - Tue 26th Feb 1856
|
29 March 1983 |
- |
| Aven and Innerdale (Lordship) |
James Hamilton - Sun 12th Apr 1643
|
- |
- |
| of Avon (Earldom) |
Robert Anthony Eden - Wed 12th Jul 1961
|
17 August 1985 |
- |
| Avonmore (Viscountcy) |
Barry Yelverton - Thu 1st Jan 1801
|
- |
- |