Name
- Abbot, Charles, 1st Baron Colchester, Speaker of the House of Commons, 1757-18291
- Abbott, Robert, Dr1
- Addington, Henry, 1st Viscount Sidmouth, Prime Minister, 1757-18441
- Addison, Thomas, of Add MS 356671
- Adeane, Annabella1
- Adeane, Robert Jones2
- Affleck, Gilbert, 2nd Baronet, Officer in the Cambridgeshire Militia, 1740-18081
- Aldridge, R-, ADC to the Lord Lieutenant of Ireland1
- Alston, John, Captain, Cambridgeshire Militia3
- Amherst, Jeffrey, 1st Baron Amherst, army officer, 1717-17976
- Andrews, John, of Add MS 356651
- Anstruther, Robert, Colonel; of Add MS 356671
- Archer, Thomas, junior1
- Army of England6
- Atkinson, William, ADC to the General commanding the Eastern District1
- Aust, George, Under Secretary13
- Aveling, Stephen, Lieutenant1
- Aveling, Thomas1
- Aveling, Thomas Baxter, Captain; Cambridgeshire Militia2
- Balfour, William, army officer; correspondent of 3rd Lord Hardwicke, 1756-18111