Former Owner
- William Caxton1
- William Cecil, 1st Baron Burghley2
- William Chmurny7
- William Constable1
- William Douglas-Hamilton, 12th Duke of Hamilton1
- William E. S. (William Edward Seaver) Whitman1
- William Edward David Allen1
- William Emery Nickerson1
- William Ewart Gladstone1
- William F. Fratcher1
- William G. Kelso1
- William Gibbons Medlicott4
- William Gonstone1
- William H. Crain1
- William H. Herriman1
- William H. Robinson Ltd.838
- William H. Schab3
- William H. Woodin1
- William Harcourt Hooper1
- William Henry Stark3