Former Owner
- William Blakiston Bowes1
- William Boyle Gourley1
- William Bromley1
- William Burdett-Coutts1
- William C. van Antwerp1
- William Carew Hazlitt1
- William Caxton1
- William Clarke1
- William Cumming Wilde1
- William Deys1
- William Douglas-Hamilton, 12th Duke of Hamilton1
- William Draper1
- William E. S. (William Edward Seaver) Whitman1
- William Edward David Allen1
- William Ely1
- William Emery Nickerson1
- William Ewart Gladstone1
- William G. Kelso1
- William George Leigh Wasey1
- William Gonstone1