Former Owner
- Laurence Claiborne Witten II1
- Laurence Vaux1
- Leonard Grey, 1st Viscount Grane1
- Lewis L. Gould1
- Linda Ehrsam Voigts1
- Lionel Tollemache, 4th Earl of Dysart1
- Llewelyn Lloyd-Mostyn, 3rd Baron Mostyn of Mostyn1
- Madeleine Cosman1
- Marion H. Gottfried1
- Mariota Lyle1
- Marvin-L. Colker1
- Mary Lusher1
- Mary Stanley, Countess of Derby1
- Mary Talbot, Countess of Shrewsbury1
- Mary W. T. Dickinson1
- Matthew Bloxam1
- Maurice Johnson1
- Mortimer Loeb Schiff1
- Nathan Comfort Starr1
- Nathaniel Dunbar1