Name
- Miaulis, Andrew, Greek patriot1
- Mill, John Stuart, of Add MS 373111
- Minckwitz, ? Baron N-, Chamberlain at the Court of Warsaw, etc1
- Moleville, Bertrand, of Add MS 372901
- Montersolo, Gertrudis, of Cadiz1
- Montgomery, Henry Conynham, 1st Baronet, of The Hall, county Donegal1
- Moore, Stephen, 3rd Earl of Mountcashell1
- Morgan, H-, vicar of Galway1
- Moss, Charles, Bishop of Oxford, 1763-18111
- Munro, C- A-, Major1
- Murray, Charles Augustus, diplomat and author, 1806-18951
- Murray, Daniel, Archbishop of Dublin, 1768-18521
- Mwlzi, M P1
- Myers, Thomas, late of Bengal1
- Nabob of Arcot1
- Nasr-ul-Mulk, Nawàb of Bengal1
- Neave, John, Magistrate at Benares1
- Nieles, Francisco, correspondent of Richard Wellesley, fl 18091
- Nugent, George Frederick, 7th Earl of Westmeath1
- O'Gorman, Charles T-1