Name
- Lubbock, Percy, author1
- Lys, Charles Nicolas Alexandre, physician, 1770-18521
- Machart, Auguste1
- Mackail, John William, OM 19351
- Maggs Bros, antiquarian booksellers, London, 1853-1
- Magnus I, of Norway1
- Magnusen, Finn, Icelandic historian1
- Magnusson, Ari, chief magistrate of Isafjördr in Iceland1
- Manning, Henry Edward, Cardinal, RC Archbishop of Westminster1
- Margaret, St. of Antioch1
- Marshall, John, FRS, FRCS, anatomist1
- Martÿi, Orlando, Italian politician, fl 18861
- Maríuskáld, Jón1
- Matthias, Saint, Apostle1
- McGrigor, James, 1st Baronet, Inspector-General of Hospitals Army Medical Service1
- Mendeleev, Dmitry Ivanovich, Russian chemist1
- Mesa, José1
- Metcalfe, Charles Theophilus, 1st Baron Metcalfe, Acting Governor-General of India 1935, Lieutenant-Governor of Agra, India 1836-38, Governor of Jamaica 1839-42, Governor General of the Province of Canada 1843-1845, 1785-18461
- Michel, L., French socialist(?)1
- Monticelli, Teodoro, Cavaliere1