Name
- Manners, Charles, 4th Duke of Rutland1
- Manners, John, of Add MS 355361
- Marey et Thurot, wine-merchants1
- Marjoribanks, John1
- Maxwell, John, Colonel1
- Maxwell, William, Colonel1
- McIntosh, William, Lieutenant-Colonel1
- McMahon, Hugh1
- Mertens, Charles, Dr1
- Metzburg, Baron1
- Mezzo, John, of Debreczen1
- Michell, Peter, Secretary to the E India Company1
- Miles, William Augustus, Agent at Liége1
- Mocher, Flower, General1
- Monné, Chrétien Joseph1
- Montgomerie, Hugh, of Add MS 355091
- Montgomery, James William, 1st Baronet, of Stanhope; Chief Baron of the Exchequer, Scotland1
- Montmorin, Armand Marc, Comte, successively French Ambassador in Spain and Minister of Foreign Affairs1
- More, Samuel, of Add MS 351261
- Morice, William, Reverend1