Name
- Joseph I, Emperor of Germany1
- Kelly, of Add MS 203121
- La Grange, of Add MS 203111
- La Trémoille, Joseph Emmanuel, Cardinal, Auditor of the Rota and French Agent at Rome1
- Latil, Enrico, Secretary to the Princesse des Ursins1
- Leopold Joseph Charles, Duke of Lorraine, of Add MS 187431
- Leyne, Jean, Dean of Clisson1
- Lindsay, David, Secretary to Lord Middleton1
- Louis XIV, King of France, 1638-17151
- MacMahon, Hugh, R C Bishop of Clogher and Achbishop of Armagh1
- Maccarthy, Frère Bernardin1
- Maesihy, Bernard, Captain1
- Magenis, Arthur, Irish Colonel in the French Service1
- Marcolini, Pietro Paolo1
- Marelli, Thomaso, Archbishop of Urbino1
- Marini, Carlo, Cardinal, Legate of Urbino1
- Massei, Bartolomeo, Cardinal, Archbishop of Athens, and Nuncio to France1
- Metternich, Franz Arnold Joseph Wolff, Bishop of Münster1
- Mobant, Thomas, Chevalier1
- Monthione, Francesco, Depositario della Camera1