Name
- MacDonald, John, Engineer1
- Macnab, Henry Gray, MD1
- Macpherson, John, of Add MS 339791
- Magellan, J- H-1
- Maitland, John, of Add MS 335411
- Manson, James1
- Markham, R- A-1
- Marr, John, of Add MS 339771
- Maty, Paul Henry, Librarian of the British Museum1
- Mello, of Add MS 339771
- More, Samuel, of Add MS 339771
- Morris, Valentine, Governor of St Vincent1
- Morton, Thomas, Secretary to the E India Company1
- Murray, Charles, Consul at Madeira1
- Murray, John, of Add MS 339781
- Nepean, Evan, 1st Baronet1
- Nevill, Cos.1
- Nichols, John, printer1
- Nichols, Morgan1
- Nicol, George, of Add MS 339771