Name
- Martin-Harvey, John, theatrical producer1
- Martineau, Harriet, writer and reformer1
- Martyn, Henry, missionary1
- Marvell, Andrew, poet, 1621-16781
- Mary II, Queen of Great Britain and Ireland, 1662-16941
- Mary, 6th Earl of Harewood, Princess Royal, wife of Henry1
- Mary, Queen Consort of King George V, 1867-19531
- Masefield, John Edward, Poet Laureate, 1878-1967, http://isni.org/isni/000000...1
- Mason, Alfred Edward Woodley, author1
- Massey, Gerald, poet, 1828-19071
- Mather, Margaret Herbert, Mrs called 'Morgan Herbert'1
- Matheson, Percy Ewing, classical scholar1
- Maude, Cyril, actor-manager, 1862-19511
- Maurice, John Frederick Denison, author and theologian1
- Maurier, Gerald Hubert Edward Busson, Knight, actor and theatre manager, 1873-19341
- Max Müller, Friedrich, PC, philologist1
- Maxse, Leopold James, journalist and political activist; editor of 'National Review', 1864-19321
- Maxwell, William Babington, author1
- Mazzini, Giuseppe, Italian patriot, 1805-18721
- McCarthy, Justin, MP1