Former Owner
- John Topham1
- John Trotter Brockett1
- John Walker1
- John William Bradley1
- John Willis1
- Jonathan Peckover1
- Josceline Bagot1
- Joseph Baer & Co.1
- Joseph Görres1
- Joseph L. Lilly1
- Joseph Marie Sormani1
- Joseph Mayner1
- Joseph Whitney1
- Josiah H. Benton1
- José Antonio Conde1
- Judith Lady Montefiore College1
- Jules Bonhomme1
- Julie de Busnel1
- Julius Hess1
- Julius de Cardelinis1