Issued: 1-Jan-1941, London Gazette
"For outstanding zeal, patience and cheerfulness and for never failing to set an example of wholehearted devotion to duty without which the high tradition of the Royal Canadian Navy could not have been upheld."
Issued: 9-Jan-1943, Canada Gazette
"For valuable services in command of HMC Destroyer (HMCS St. Laurent) in the early months of war in Convoy Escort duty in the Western Atlantic, and overseas during the evacuation from France."
Issued: 10-Oct-1944, London Gazette
"For bravery, skill and devotion to duty in H.M. Ships Affleck, Balfour, Eskimo, Wanderer and Tavy and H.M. Canadian Ships Haida and Huron in anti U-Boat operations."
Issued: 27-May-1944, Canada Gazette
"For gallantry and distinguished service as Senior Officer of Destroyers in successful destroyer night actions in the English Channel on 26th and 29th April 1944."
Issued: 20-Jan-1945, Canada Gazette
"For outstanding courage, skill and devotion to duty in H.M. Ships Tartar, Ashanti, Eskimo, Javelin, and H.M. Canadian Ships Haida and Huron in action with German destroyers."
Issued: 20-Jan-1945, Canada Gazette
"For courage and determination in H.M. Ships Albright, Ashanti, Bellona, Diadem, Mauritius, Onslow, Tartar and Ursa and H.M. Canadian Ships Assiniboine, Haida, Iroquois, Qu’appelle, Restigouche and Skeena, in a series of successful attacks on enemy escorted convoys off the coast of France."
Issued: 3-Aug-1946, Canada Gazette
"For exceptionally meritorious conduct in the performance of outstanding service while serving as Chief Staff Officer to Rear-Admiral G.C. Jones, RCN. He frequently conferred with Commander Task Force Twenty-four and his staff in connection with planning and the operational control of the surface forces under Commander Task Force Twenty-four. His excellent professional grasp of strategic and tactical situations, together with his intelligent and co-operative attitude, contributed materially to the success of operations conducted by Commander Task force Twenty-four."
Issued: 5-Jan-1946, Canada Gazette
"Commodore De Wolf has held various administrative appointments, including that of Director of Plans, at Naval Service Headquarters at a time of rapid expansion in the R.C.N. As Commanding Officer of one of HM Canadian Tribal Class Destroyers (HMCS Haida), he served at sea with unparalleled success during the invasion of the Continent. On being re-appointed ashore, he now holds the position of Assistant Chief of Naval Staff, which appointment is being filled with perspicacity and ability."
Issued: 29-Aug-1947, Canada Gazette
"For services at sea in the war against the enemy."
Issued: 29-Aug-1947, Other Gazette
"For services at sea in the war against the enemy."
Issued: 8-Jan-1949, Canada Gazette
"Bestowed by His Majesty, King Haakon of Norway."