Name
- McLaren, Charles Benjamin Bright, 1st Baron Aberconway1
- Mellor, John William, MP; of Add MS 460571
- Metaxas, Demetrios Georgios, Greek Minister in London1
- Morris, Lewis, poet1
- Mundella, Anthony John, PC, MP1
- Munro-Ferguson, Ronald Craufurd, Viscount Novar, Governor-General of Australia, 1860-19341
- Murray, Alexander William Charles Oliphant, 1st Baron Murray of Elibank, MP, 1870-19201
- Napier, Mark Francis, 10th Baron Napier, barrister, 4th son of Francis1
- O'Neill, Robert Torrens, MP1
- Pearson, Weetman Dickinson, 1st Viscount Cowdray1
- Pease, Joseph Whitwell, 1st Baronet, industrialist and banker, 1828-19031
- Petty-Fitzmaurice, Edmond George, alias Lord Edmond Fitzmaurice, Baron Fitzmaurice, politician and historian, 1846-19351
- Pullar, Robert, of Perth1
- Pulley, Charles Thornton, of Hereford1
- Rabbits, Charles Joseph Whittuck1
- Reid, Robert Threshie, Earl Loreburn, Lord Chancellor1
- Rendel, Stuart, Baron Rendel, of Add MS 460451
- Roundell, Charles Savile, MP1
- Russell, George William Erskine, PC, MP1
- Smith, Samuel, MP; of Add MS 460581