Former Owner
- W. J. Gilbert1
- Wesley L. Boomgaarden1
- Wilfrid Voynich1
- Willett Lawrence Adye1
- William Augustus White1
- William Boyle Gourley1
- William Bromley1
- William C. van Antwerp1
- William Cecil, 1st Baron Burghley1
- William Chmurny4
- William Foyle1
- William George Leigh Wasey1
- William Harcourt Hooper1
- William King1
- William L. Clements1
- William Morris2
- William S. Spaulding1
- William Salloch23
- William Stuart1
- William Taylor Scheide1