Former Owner
- J.D. Moyreau1
- James West1
- Jeannette Piccard1
- Jeremiah Styles1
- Jeronimus Maelens1
- Johan C. Jackson1
- Johann Heinrich van Ess1
- John Boyd Thacher I1
- John Browne1
- John Caryll1
- John Topham1
- John Wright1
- Joseph Jekyll1
- Lady Margaret Ayloffe1
- Louis César de La Baume Le Blanc1
- Mary W. T. Dickinson1
- Mary, Queen of Scots1
- Morot1
- Peter Arrell Brown Widener1
- Petrus Jensenius1