Name
- Metcalfe, Julia Maria Eleonora1
- Metcalfe, Thomas, of Add MS 280611
- Methuen, Paul, KB, Ambassador to Spain and Portugal, afterwards Secretary of State1
- Mildmay, Katharine, wife of Benjamin, Lord Fitzwalter1
- Millner, John1
- Mitchell, Archibald, of Add MS 280661
- Montagu, Ralph, Duke of Montagu 1705, Master of the Wardrobe1
- Montague, Christopher, MP, Writer of the Tallies in the Exchequer1
- Montandré de), Marquis1
- Montmorency, Charles Sigismond, Duc de Luxembourg1
- Moore, Francis, of Add MS 280671
- Morgan, Thomas, Baronet, Major-General1
- Morice, Nicholas, afterwards Baronet, and MP for Newport1
- Morland, Samuel, Baronet, of Add MS 219471
- Morphy, Michael1
- Morris, Edward, Travelling Bachelor of Cambridge University1
- Moseley, James1
- Moñino, José, Conde de Florida Blanca, Prime Minister of Spain1
- Muirhead, James1
- Murray, David, 2nd Earl of Mansfield1