Name
- Mansfield, William Rose, 1st Baron Sandhurst, army officer, 1819-18761
- Marietti, Luigi, Secretary of the Accademia Filarmonica in Cuorgné1
- Martins d'Antas, Miguel1
- Mason, B1
- Mathew, George Benvenuto, Captain afterwards Buckley-Mathew diplomatist, KCMG 18791
- May, Thomas Erskine, 1st Baron Farnborough, clerk of the House of Commons, 1815-18861
- McMurdo, William Montagu Scott, General GCB1
- McNeill, John, Knight, diplomat and surgeon, 1795-1883, http://viaf.org/viaf/1024041951
- Meer Ali Moorad Khan Buhad Er Talpoor, Reis of Khyrpoor1
- Mehemmed Rezid Pasa1
- Menouf, S1
- Merewether, Henry Alworth, Town Clerk of London1
- Merivale, Herman, DCL, Indian Under-Sec1
- Merlini, Giovanni1
- Methuen, Frederick Henry Paul, 2nd Baron Methuen1
- Migliarini, M A, Professor1
- Millais, John Everett, 1st Baronet, painter, 1829-18961
- Mioglette, Maria1
- Mitchell, J B1
- Mocatta, Frederic David, Jewish philanthropist, FSA 18891