Former Owner
- Laurence William Hodson1
- Leonard Grey, 1st Viscount Grane1
- Leslie Hindman1
- Lewis L. Gould1
- Linda Ehrsam Voigts1
- Lionel Tollemache, 4th Earl of Dysart1
- M. Lee1
- Mantell1
- Marion H. Gottfried1
- Mariota Lyle1
- Martin Schøyen1
- 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