Name
- Malcolm, Dougal Orme, KCMG, President of the British South Africa Co2
- Mallet, Bernard, Registrar-General; KCB 19162
- Mallet, Charles Edward, biographer of Lord Gladstone2
- Marjoribanks, Fanny Octavia Louisa, wife of Edward 2nd Baron Tweedmouth2
- Marsh, Edward Howard, Knight, civil servant and patron of the arts, 1872-19532
- Mary, Queen Consort of King George V, 1867-19532
- Massingham, Henry William, journalist2
- Mathers, John Shackleton, of Leeds2
- Matoff, Christo, of Sofia2
- Maude, Frederick William, of Westminster2
- McEwan, William, MP2
- Mckay, Alexander, chartered accountant2
- Merriman, John Xavier, South African statesman2
- Methuen, Paul Ayshford, 4th Baron Methuen 19322
- Milena, wife of Nicholas I of Montenegro2
- Millais, John Everett, 1st Baronet, painter, 1829-18962
- Mitford, Robert Sidney, of the Home Office2
- Molloy, Bernard Charles, MP; of Add MS 459912
- Money, Leo George Chiozza, author and public servant2
- Montagu, Edwin Samuel, statesman, 1879-19242