Former Owner
- Marvin-L. Colker1
- Mary Lusher1
- Mary Stanley, Countess of Derby1
- Mary Talbot, Countess of Shrewsbury1
- Mary W. T. Dickinson1
- Matthew Bloxam1
- Maurice Johnson1
- Michael Greenberg1
- Miriam Lutcher Stark1
- Moor of Ireton1
- Mortimer Loeb Schiff1
- Nancy McGrath1
- Nathan Comfort Starr1
- Nathaniel Dunbar1
- Nell Wheeler1
- New York Academy of Medicine1
- Newman F. McGirr1
- Nicholas Bacon1
- Parke-Bernet1
- Perceval Lucas1