General
* 23rd of April 1888
† 5th of March 1967
| 1925-04-27 | Lieutenant-Colonel |
| 1926-10-30 | – | Aide-de-Camp to the Governor-General of Canada | |
| 1928-02-25 | – | 1931-04-30 | Canadian Representative, League of Nations |
| 1939-XX-XX | – | 1940-XX-XX | Minister to France |
| 1940-XX-XX | – | 1941-XX-XX | Member Joint Board on Defence US-Canada |
| 1941-09-01 | – | 1942-12-31 | District Officer Commanding 5th Military District |
| 1943-XX-XX | – | 1944-XX-XX | Minister to Allied Governments in exile in UK |
| 1944-XX-XX | Minister to French Committee of National Liberation | ||
| 1944-XX-XX | – | 1953-XX-XX | Ambassador to France |
| 1959-XX-XX | – | 1967-XX-XX | Governor-General of Canada |