Name
- Abbot, Charles, 1st Baron Colchester, Speaker of the House of Commons, 1757-182921
- Abbott, John, of Nenagh, county Tipperary2
- Abbott, W-, of Add MS 402221
- Acheson, Archibald, 2nd Earl of Gosford, politician and colonial governor, 1776-18498
- Acheson, Edward, Colonel2
- Acland, Thomas Dyke, 10th Baronet, politician, 1787-18711
- Adams, Benjamin, Reverend; of Kilmore diocese1
- Adams, Charles, Curate of Aghada, near Cloyne1
- Addington, Henry, 1st Viscount Sidmouth, Prime Minister, 1757-184412
- Addington, John Hiley, PC, MP11
- Agar, James, Reverend; of Killeshandra, county Cavan1
- Agar, Jane, widow of Charles, 1st Earl of Normanton1
- Agar, Welbore Ellis, 2nd Earl of Normanton, 1778-18681
- Aird, John, engineer1
- Airey, George, Knight, army officer, 1761-18332
- Alcock, Harry, Mayor of Waterford, fl 18162
- Alcock, James, Treasurer of Waterford1
- Alcock, John Henry, High Sheriff of Waterford, fl 18171
- Aldridge, Robert, Collector Of Customs, Cork3
- Alexander I, of Russia1