Former Owner
- John Josias Conybeare1
- John Lee2
- John Leeche1
- John Lumley, 1st Baron Lumley1
- John M Cuthbert1
- John Mason Neale1
- John McRay1
- John Milne Buckie1
- John Morgan1
- John Morley1
- John Patteson1
- John Peacock1
- John Pery1
- John Reiner5
- John Roland Abbey2
- John Rolls, 1st Baron Llangattock3
- John Rolls, 2nd Baron Llangattock1
- John Rushout, 2nd Baron Northwick1
- John Ruskin7
- John Savile1