Name
- Marzocchi, Bernard, late of the Commissariat1
- Maton, William George, physician, d18351
- Maunsell, Thomas Frend, late Magistrate for Limerick and Tipperary1
- Maynard, Charles, 2nd Viscount Maynard1
- McGrigor, John, Dean of Guild at Montrose1
- McKenrot, Anthony1
- Meek, James, at Marseilles1
- Merveldt, Maximilian, General Count; afterwards Austrian Ambassador in London1
- Micallef, Maria, wife of Giuseppe Micallef of Malta1
- Middleton, Jane, alias Myddelton1
- Miller, John, solicitor1
- Mills, George, Secretary to the Duke of Hamilton1
- Milnes, Robert Pemberton, MP1
- Mitford, Charles1
- Mitford, John Freeman-, 1st Baron Redesdale, Lord Chancellor of Ireland, 1748-18301
- Mitford, Robert, of the Treasury1
- Molesworth, Richard Pigott, 7th Viscount Molesworth1
- Moleville, Bertrand, of Add MS 382401
- Montagu Scott, Charles William Henry, 4th Duke of Buccleuch1
- Montagu, Frederick, MP for county Huntingdonshire1