Hereditary peerage


Peerages of this type

Title Letters patent Extinct
Aberconway (Barony) 21 June 1911 -
Abercromby (Barony) 28 May 1801 7 October 1924
Aberdare (Barony) 23 August 1873 -
Abertay (Barony) 26 June 1940 6 December 1940
Abinger (Barony) 12 January 1835 -
Acheson (Barony) 18 September 1847 -
Acton (Barony) 11 December 1869 -
Adams (Barony) 16 February 1949 23 August 1960
Addington (Barony) 22 July 1887 -
Addison (Barony) 22 May 1937 -
Adrian (Barony) 28 January 1955 4 April 1995
Ailwyn (Barony) 1 July 1921 27 September 1988
Airedale (Barony) 17 July 1907 19 March 1996
Airey (Barony) 29 November 1876 13 September 1881
Alanbrooke (Barony) 18 September 1945 10 January 2018
of Albany (Dukedom) 24 May 1881 28 March 1919
of Albemarle (Earldom) 10 February 1697 -
of Albemarle (Dukedom) 7 July 1660 -
Alcester (Barony) 24 November 1882 30 March 1895
Aldenham (Barony) 31 January 1896 -