Former Owner
- Himmerod Abbey1
- Hodgson & Co.1
- Homer D. Crotty1
- Homer Lewis Bartlett10
- Hooker Wix1
- Hôtel-Dieu de Beaufort-en-Vallée1
- Ioannis Gennadios1
- Isaac Foot1
- Isabelle de Lévis1
- J. C. Hanks4
- Jacob Dackomb1
- Jacquemine Hendricx1
- Jacques Rosenthal1
- James & Mary Lee Tregaskis (Firm)2
- James Henthorn Todd1
- James K. Moffitt1
- James Lyell1
- James Tregaskis5
- Johan C. Jackson1
- Johann Heinrich van Ess4