Former Owner
- Marie Cleophe de Sollario1
- Marie Thomas1
- Marie de Albano1
- Marie de Bretagne d'Avaugour1
- Marie-Caroline of Bourbon-Two Sicilies, Duchess of Berry1
- Marienstiftsgymnasium1
- Marino Grimani1
- Mario Maffei1
- Marion H. Gottfried1
- Marion Lawrence1
- Mariota Lyle1
- Mark Lansburgh1
- Markus Fugger1
- Martin Breslauer1
- Martinus Nijhoff1
- Marvin-L. Colker1
- Mary Augusta Strachey1
- Mary Elizabeth Holte1
- Mary Lusher1
- Mary Schell Collins1