Name
- Knox, Ronald Arbuthnott, Monsignor RC priest and bible translator2
- Lane, John, publisher, 1855-19252
- Lee, John, organist2
- Lehmann, Rudolph Chambers, MP2
- Lilley, Alfred Leslie, Archdeacon of Ludlow2
- Locker-Lampson, Oliver Stillingfleet, MP2
- Mackey, Aidan, distributist2
- Macmillan and Co, publishers, 1843-2
- Macy, George, Director of the Limited Editions Club2
- Magnus, Leonard Arthur, son of Sir Philip Magnus 1st Baronet2
- Mare, Richard Herbert Ingpen, publisher and son of Walter De La Mare, 1901-19862
- Mare, Walter John, poet, 1873-19562
- Masterman, Charles Frederick Gurney, politician and journalist2
- Masterman, Lucy, wife of C F G Masterman2
- Masterman, Walter S, novelist2
- McNabb, Vincent, OP2
- McQueeny, Therese F, of the Chesterton Society of Worcester Mass2
- Meates, Gladys, of the Beaconsfield Children's Convalescent Home2
- Meloney, Marie Mattingly, of the 'New York Herald Tribune'2
- Meynell, Viola, novelist, 1885-19562