Former Owner
- Johann David Baier1
- Johann Heinrich van Ess1
- Johannes Betrus Ravenoldus1
- Johannes Lethe1
- Johannes Wigg1
- John A. Savage Jr.1
- John Bohn1
- John C. Jackson1
- John Camp Williams1
- John Church1
- John Edgar Ker1
- John Hinely1
- John Leeche1
- John Patteson1
- John Roland Abbey1
- John Ruskin1
- John Thomas Beer1
- John William Harshberger1
- Joseph Barrois1
- Judith Lady Montefiore College1