Name
- A'Court, William Henry Ashe, 2nd Baron Heytesbury, formerly A'Court-Holmes; politician, 1809-18912
- A'Court, William, 1st Baron Heytesbury, diplomat and politician, 1779-18602
- Abbot, Charles, 2nd Baron Colchester2
- Abbott, Thomas, solicitor, of Bexley Heath1
- Abell, Joshua, proprietor of the ' Dublin Literary Journal.'1
- Abercromble, John, MD1
- Abercromby, George Ralph, 3rd Baron Abercromby1
- Abercromby, James, 1st Baron Dunfermline, barrister and politician, 1776-18583
- Abercromby, Ralph, 2nd Baron Dunfermline, diplomat, 1803-18681
- Aberdeen Commercial Banking Co1
- Aberdeenshire Banking Co1
- Ackerley, Charles Henry, eccentric, of London1
- Ackland, Thomas Gilbank, Reverend; DD1
- Acland, Thomas Dyke, 11th Baronet, educational reformer and politician, 1809-18981
- Acland, William1
- Acres, John, of Add MS 405961
- Acton, Charles Januarius Edward, Cardinal1
- Acton, William, MP1
- Adam, J- R-, author1
- Adam, R- P-, Brazilian merchant, of Glasgow1