Former Owner
- Mario Maffei1
- Mario Pedro Arata1
- Marion H. Gottfried1
- Marion Lawrence1
- Mariota Lyle1
- Martin Breslauer1
- Martin of Aragon1
- Martinus Nijhoff1
- Marvin-L. Colker1
- Mary Elizabeth Holte1
- Mary Lacaita1
- Mary Lusher1
- Mary Schell Collins1
- Mary Stanley, Countess of Derby1
- Mary Talbot, Countess of Shrewsbury1
- Mary, Queen of Scots1
- Matteo Barresi1
- Matthaeus Lupin1
- Matthew Bloxam1
- Matthew Hale1