Name
- Navy of England[remove]3
- Admiralty, 1708-19641
- Aldborough, Family1
- Ardena, John, chaplain1
- Army of England1
- Arnold, Family1
- Aske, Family1
- Aske, Robert, of Aughton county Yorkshire1
- Astley, Family1
- Atclyff, Family1
- Audley, Family1
- Audley, Nicholas, 1st Baron Audley1
- Augustinian abbey of the Holy Cross, Waltham, Essex, 1177-15401
- Aungier, Francis, 1st Earl of Longford1
- Badlesmere, Family1
- Bagnall, Dudly, of Ireland, fl 16901
- Barkley, Thomas, party to partition of estates of Alice Stury, fl 14211
- Basset, Anselm, knight, of Stoke Giffard, Somerset, c 1226-12801
- Basset, Family1
- Bassett, Thomas, of Harting, Sussex, fl 14781