Name
- Marjoribanks, Edward, 2nd Baron Tweedmouth1
- Marjoribanks, Fanny Octavia Louisa, wife of Edward 2nd Baron Tweedmouth1
- Marjoribanks, Isabella, wife of Dudley 1st Baron Tweedmouth1
- Marpoudjoglou, Alexandros G, of Samsoun1
- Marr, John Edward, geologist1
- Mary Dominic, Sister of Convent of Mercy Skibbereen Cork1
- Masters, Maxwell Tylden, FRS, botanist1
- McGuire, Joseph Deakins, American anthropologist1
- Merewether, William Lockyer, Knight, army officer and administrator in India, 1825-18801
- Miers, Henry Alexander, mineralogist1
- Mill, Hugh Robert, geographer1
- Milman, Arthur, Registrar of London University1
- Milner, Frederick George, 7th Baronet1
- Momtaz, Mohamed, of the Government School Minia Egypt1
- Monckton, Herbert, Town Clerk of Maidstone1
- Monks, Henry, of Atherton1
- Montefiore, Henriette Francisca, wife of J M Montefiore1
- Murdoch, Sophia, widow of C T Murdoch MP1
- Murray, Alexander Henry Hallam, publisher1
- Murray, George Robert Milne, Keeper of Botany British Museum1