Name
- Lyttelton, Richard Glynne, son of Charles 8th Viscount Cobham1
- Lytton, Victor Alexander George Robert Bulwer-, 2nd Earl of Lytton, 1876-19471
- M., Walter1
- MacAndrew, Charles Glyn, Knight , MP, 1st Baron MacAndrew 19591
- MacKinnon, Helen H, Mrs SRN, Matron of Salop Nursing Institution1
- Mackenzie, Edward Montague Compton, Knight, author, 1883-19721
- Maclean, Fitzroy Hew, 1st Baronet, MP1
- Maclennan, Ian Morrison Ross, KCMG, UK High Commissioner in Ghana1
- Macleod, Iain Norman, PC MP1
- Maffey, John Loader, 1st Baron Rugby, private sec to the Viceroy of India1
- Malament, Barbara C, of the Department of History Yale University1
- Malcolm, Dougal Orme, KCMG, President of the British South Africa Co1
- Manke, Ilse Ruth, author1
- Margesson, Henry David Reginald, 1st Viscount Margesson1
- Marshall, H Rissik, of Hampstead1
- Martin, Dorothy Helen, 2nd wife of John Hanbury Martin MP1
- Martin, Frances1
- Martin, John Hanbury, MP, author1
- Martin, Thomas Ballantyne, MP, stockbroker1
- Mayberry, Irma A1