Baron | 12th United States Congress | William Cecil, 1st Baron Burghley | baron | Sacha Baron Cohen | 12th arrondissement of Marseille | Joseph Lister, 1st Baron Lister | Joey Baron | Robert Baden-Powell, 1st Baron Baden-Powell | Henry Brougham, 1st Baron Brougham and Vaux | Guy Carleton, 1st Baron Dorchester | William Wallace, Baron Wallace of Saltaire | William Tyssen-Amherst, 1st Baron Amherst of Hackney | James Mackay, Baron Mackay of Clashfern | Hercules Robinson, 1st Baron Rosmead | George Brydges Rodney, 1st Baron Rodney | Beechcraft Baron | Thomas Seymour, 1st Baron Seymour of Sudeley | Thomas Denman, 1st Baron Denman | Stuart Rendel, 1st Baron Rendel | Norman Foster, Baron Foster of Thames Bank | John Moore-Brabazon, 1st Baron Brabazon of Tara | Charles Cochrane-Baillie, 2nd Baron Lamington | Charles Calvert, 5th Baron Baltimore | Benedict Calvert, 4th Baron Baltimore | Baron Hans Heinrich Thyssen-Bornemisza | 12th | William Ponsonby, 1st Baron Ponsonby | Walter Rothschild, 2nd Baron Rothschild | Sidney Herbert, 1st Baron Herbert of Lea |
In 1853, Cadwallader Blayney, 12th Baron Blayney and sometime MP for Monaghan in the United Kingdom Parliament, sold the Castle and estate to Henry Thomas Hope from Deepdene in Surrey, a former MP at Westminster.