Former Owner
- Henry Ellis Allen1
- Henry Huth1
- Henry Lewis Broomall1
- Henry Yates Thompson1
- Hiram Sibley1
- Hudson Gurney1
- Huysburg1
- Imam Shamil1
- Ismāʻīl ibn al-Ḥājj ʻĪsá Jurayj al-Muhannā1
- J. A. Dortmond1
- J. Martini1
- J. P. Gumbert1
- Jacob Henry Burn1
- Jacobus de Muffoni1
- James C. Byrne1
- James Halliwell-Phillipps1
- James K. Moffitt1
- James Tanis1
- James Tregaskis1
- Johann David Baier1