Former Owner
- Luigi Cora1
- Luigi Serra di Cassano1
- Lydia Thompson Morris1
- Lyon Cathedral1
- Maksymilian Mielzynski1
- Marchese Porri-Carcani1
- Margaret Le Seigneur1
- Margaret of Croy1
- Marguerite of Lorraine1
- Mary Schell Collins1
- Mary Talbot, Countess of Shrewsbury1
- Minnis, Katherine1
- Morot1
- Mortimer Loeb Schiff1
- Muriel Agnes Fry1
- N. Pauli1
- Nathaniel Sherman Bouton1
- Nicholas B. Scheetz1
- Paul Gottschalk1
- Peter Arrell Brown Widener1