Name
- Marjoribanks, John1
- Martyn, Thomas, Rector of Pertenhall; Professor of Botany at Cambridge1
- Mathias, George1
- Mathias, Vincent, of Add MS 355131
- Maxwell, John, Colonel1
- Maxwell, William, Colonel1
- Mayons y Siscar, Gregorio1
- McArthur, Archibald, Colonel1
- McDonald, Sergeant in the Prussian Grenadiers1
- McDowall, William1
- McMahon, Hugh1
- Merry, Anthony1
- Mertens, Charles, Dr1
- Mezzo, John, of Debreczen1
- Michell, Peter, Secretary to the E India Company1
- Mocher, Flower, General1
- Molesworth, William, 6th Baronet1
- Montgomerie, Hugh, of Add MS 355091
- Montgomery, George, 2nd Baronet, of Magbie Hill1
- Montmorin, Armand Marc, Comte, successively French Ambassador in Spain and Minister of Foreign Affairs1