Name
- Mechnikov, Ilya Ilich, biologist1
- Meynell, Alice Christina Gertrude, née Thompson poet1
- Meynell, Wilfrid, author1
- Meyrick, Samuel Rush, KH1
- Miles, Eustace Hamilton, food reformer1
- Milman, Henry Hart, Dean of St Paul's1
- Morris, William, designer, author, and visionary socialist, 1834-18961
- Murchison, Roderick Impey, 1st Baronet, geologist, 1792-18711
- Portlock, Joseph Ellison, Captain; RE; Secretary, Dublin Zoological Society1
- Rowe, Arthur Walton, MRCS1