| George Frederick Samuel Robinson, Earl of Ripon | 1861 | 1863 |
| Rt Hon Edward Montagu Cavendish Stanley, Baron Stanley | 1937 | 1938 |
| Anthony John Muirhead | 1938 | 1939 |
| Rt Hon Sir Robert William Hugh O'Neill, bt | September 1939 | May 1940 |
| Edward William Spencer Cavendish, Duke of Devonshire | 1940 | 1942 |
| Arthur Henderson | August 1945 | August 1947 |