Former Owner
- Marienstiftsgymnasium1
- Marilyn Carbonell2
- Marino Grimani1
- Mario Maffei1
- Marion H. Gottfried1
- Marion Lawrence1
- Mark Lansburgh1
- Martin J. Cooper4
- Martin Picker3
- Martin Schøyen8
- Martin of Aragon1
- Marvin-L. Colker3
- Mary Augusta Strachey1
- Mary Bloch1
- Mary Elizabeth Holte1
- Mary Lacaita2
- Mary Lusher1
- Mary Schell Collins1
- Mary W. T. Dickinson10
- Mary, Queen of Scots1