Name
- Lyell, Mary, wife of Leonard 1st Baron Lyell3
- M'Carthy, Justin, MP3
- Macdonald, John Archibald Murray, PC MP3
- Mackenzie, Kenneth Augustus Muir, 1st Baron Muir Mackenzie 19153
- Malham-Dembleby, John3
- Mansfield, William, 1st Viscount Sandhurst, British politician and colonial governor, 1855-19213
- Mappin, Frederick Thorpe, 1st Baronet3
- Marjoribanks, Edward, 2nd Baron Tweedmouth3
- Matthews, Ernest Lewis, Law Advisor to the S African Govt3
- Mellor, John William, MP; of Add MS 460573
- Metaxas, Demetrios Georgios, Greek Minister in London3
- Milner, Frederick George, 7th Baronet3
- Mitchell, Peter Chalmers, Secretary ,Zoological Society of London; Knight 19293
- Morley, John, Viscount Morley of Blackburn, statesman, 1838-19233
- Morrison, George William, Town Clerk of Leeds3
- Mozley, John Rickards, of Leeds; Inspector of Workhouse Schools3
- National Physical Recreation Society3
- Noel-Buxton, Noel Edmund, formerly Buxton 1st Baron Noel-Buxton3
- O'Mahony, Pierce Charles de Lacy, CBE3
- Office of Works3