Former Owner
- Henry Pelham-Clinton, 4th Duke of Newcastle1
- Henry Probasco1
- Herschel V. Jones1
- Himmerod Abbey1
- Homer D. Crotty1
- Hooker Wix1
- Isabelle de Lévis1
- J. & J. Leighton1
- J. C. Inglis1
- Jacob Dackomb1
- Jacques Rosenthal1
- James & Mary Lee Tregaskis (Firm)1
- James Lyell1
- Johan C. Jackson1
- Johannes Patou1
- John A. Savage Jr.1
- John D. Stanitz1
- John Dozier Gordan1
- John Eliot Hodgkin1
- John Estmond1