Name
- Mason, David Marshall, MP, founder Sound Currency Association1
- Matthews, Henry, Viscount Llandaff1
- Maurokordatos, Nikolaos, alias Mavrocordatos; Greek statesman1
- Maximov, Petr Vasilevich, of the Russian Embassy at Constantinople1
- Mayer, Carl, of Rothschild and Co1
- McEvoy, Arthur Ambrose, painter1
- Melvill, Harry Edward M., former Secretary to Edgar, Viscount D'Abernon1
- Messala, D., Count, of the Greek Royal Household1
- Milnes, Robert Offley Ashburton, 1st Marquess of Crewe, politician, 1858-19451
- Mitchell, Albert Ernest, OBE1
- Morgan, John Hartman, lawyer and army officer, 1876-19551
- Morley, Arnold, PC; MP; of Add MS 486251
- Mosseri, Jack, at Lausanne1
- Munnings, Alfred James, KCVO, PRA1
- Müller, Elsbeth, wife of H von Müller1
- Nadolny, Rudolf, German Ambassador to Turkey1
- Naghi, Princess of Egypt1
- Napier, Mark Francis, 10th Baron Napier, barrister, 4th son of Francis1
- Navy of England1
- Newman, George, G B E1