Name
- Macartney, George, Lord Macartney 1776, Viscount 1792, Earl 17941
- Manners, Augusta, Miss1
- Mantor, J-1
- Marietti, Luigi, of Milan1
- Markham, William, Headmaster of Westminster School, Archbishop of York 17771
- Marsh, John, of Upton, in Hawkesbury1
- Marshall, Reverend1
- Martindale, John, Secretary of White's1
- Mauduit, Israel, FRS1
- Medley, Edward, of Barcombe1
- Medley, Family1
- Middleton, Charles, Baronet 1781, Admiral; 1st Baron Barham 18051
- Montagu, John, 4th Earl of Sandwich, statesman, 1718-17921
- Montessuy, Baron de1
- Moore, John, Bishop of Bangor 1775, Archbishop of Canterbury 17831
- Morison, William Maxwell1
- Morrell, James, attorney at Oxford1
- Murray, Henry1
- Navy France1
- Navy of England1