Former Owner
- J. Meade Falkner1
- J. Palmer1
- Jacob Dackomb1
- James & Mary Lee Tregaskis (Firm)1
- James Ley, 1st Earl of Marlborough1
- James R. Herbert Boone1
- James Rathwell Page1
- Jeremy C. Jackson1
- John A. Savage Jr.1
- John Burns1
- John Campbell, 1st Marquess of Breadalbane1
- John D. Denman1
- John D. Stanitz1
- John Dozier Gordan1
- John Egerton, 1st Earl of Bridgewater1
- John Eliot Hodgkin1
- John Estmond1
- John Fenn1
- John Henry Gurney Jr.1
- John Holt1