Name
- Abbot, Charles, 1st Baron Colchester, Speaker of the House of Commons, 1757-182916
- Acheson, Arthur, 1st Earl of Gosford, politician and courtier, c 1742-18075
- Addington, Henry, 1st Viscount Sidmouth, Prime Minister, 1757-18447
- Addington, John Hiley, PC, MP1
- Agar, Charles Bagenal1
- Agar, Charles, 1st Earl of Normanton, Archbishop of Dublin, 1736-180910
- Agar, Jane, widow of Charles, 1st Earl of Normanton1
- Agnew, Edward Jones, Sheriff of Antrim1
- Alexander, Henry, of Add MS 356473
- Alexander, Josias Du Pré, 2nd Earl of Caledon, politician, landlord and colonial administrator, 1777-18394
- Alexander, Nathanael, Bishop of Meath4
- Alexander, R-, senior1
- Alexander, William John1
- Alexander, William, JP, Dublin1
- Allen, Joshua, 5th Viscount Allen3
- Alston, William Charles1
- Anderson, Martha1
- Andrews, Mary1
- Annesley, Arthur, 8th Viscount Valentia; 1st Earl of Mountnorris 179313
- Annesley, Richard, Earl of Anglesey3