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Designation as of 1 Jan 1914	Changes made before 1 Jan 1964
Royal Canadian Horse Artillery Royal Canadian Artillery Royal Canadian Garrison Artillery	Regular and Reserve components collectively redesignated Royal Regiment of Canadian Artillery 29 Oct 1956.
Royal Canadian Engineers	*Redesignated The Corps of Royal Canadian Engineers 1 Mar 1932.
nil	Canadian Signalling Instructional Staff authorized 1 Apr 1919. Redesignated The Canadian Permanent Signal Corps 15 Dec 1920. Redesignated The Royal Canadian Corps of Signals 15 Jun 1921.
Canadian Permanent Army Service Corps	Redesignated The Royal Canadian Army Service Corps 3 Nov 1919.
Canadian Army Medical Corps	Redesignated The Royal Canadian Army Medical Corps 3 Nov 1919.
Canadian Army Permanent Veterinary Corps	Redesignated Royal Canadian Army Veterinary Corps 3 Nov 1919. Redesignated The Royal Canadian Army Veterinary Corps 17 Jul 1936. Disbanded 2 Nov 1940.
Canadian Ordnance Corps	Redesignated The Royal Canadian Ordnance Corps 3 Nov 1919.
Canadian Army Pay Corps	Redesignated The Royal Canadian Army Pay Corps 1 Nov 1920.
The Canadian Postal Corps	Redesignated The Royal Canadian Postal Corps 20 Jun 1961.
The Corps of Military Staff Clerks	Disbanded 30 Sep 1946.
The Canadian Officers' Training Corps	nil
nil	Canadian Forestry Corps created 14 Nov 1916. Disbanded 1920. Reformed 1940. Disbanded 1945.
nil	Canadian Permanent Machine Gun Brigade organized in Permanent Force 3 Nov 1919. Redesignated The Royal Canadian Permanent Machine Gun Brigade 16 Jun 1921 Disbanded 1 Nov 1923
Canadian School of Musketry
nil	The Canadian Dental Corps authorized 31 Aug 1939 Regular and Reserve components collectively redesignated The Royal Canadian Dental Corps 15 Jan 1947.
nil	The Canadian Provost Corps authorized 15 Jun 1940.
nil	Canadian Armoured Corps created 13 Aug 1940. Redesignated Royal Canadian Armoured Corps 2 Aug 1945. Redesignated The Royal Canadian Armoured Corps 22 Mar 1948. Reverted back to Royal Canadian Armoured Corps 18 Apr 1955.
nil	Canadian Women's Army Corps authorized 13 Aug 1941. Redesignated The Canadian Women's Army Corps 22 Mar 1948. Reverted to Canadian Women's Army Corps 18 Apr 1955.
nil	Pacific Coast Militia Rangers made an active corps 12 Aug 1942. Disbanded 30 Sep 1945.
nil	Canadian Infantry Corps authorized 2 Sep 1942. Redesignated Royal Canadian Infantry Corps 20 Apr 1947. Redesignated The Royal Canadian Infantry Corps 22 Mar 1948. Reverted to Royal Canadian Infantry Corps 18 Apr 1955.
nil	Canadian Intelligence Corps authorized 29 Oct 1942. Redesignated The Canadian Intelligence Corps 22 Mar 1948. Reverted to Canadian Intelligence Corps 18 Apr 1955.
nil	Canadian Electrical and Mechanical Engineers authorized 1 Feb 1944. Redesignated Royal Canadian Electrical and Mechanical Engineers 20 Apr 1944. Redesignated The Corps of Royal Canadian Electrical and Mechanical Engineers 13 Apr 1953.
nil	The Canadian Army Chaplain Corps authorized 22 Mar 1948. Redesignated The Royal Canadian Army Chaplain Corps 3 Jun 1948.

Non-Permanent Active Militia

Designation as of 1 Jan 1914	Changes made before 1 Jan 1964
Canadian Artillery Garrison Artillery	Redesignated Royal Canadian Artillery 3 Jun 1935. Regular and Reserve components collectively redesignated Royal Regiment of Canadian Artillery 29 Oct 1956.
Canadian Engineers	Redesignated The Corps of Canadian Engineers 1 Mar 1932. Redesignated The Corps of Royal Canadian Engineers 29 Apr 1936.
The Canadian Signal Corps	Redesignated Canadian Corps of Signals 1 Aug 1921. Redesignated Royal Canadian Corps of Signals 29 Apr 1936. Redesignated The Royal Canadian Corps of Signals 22 Mar 1948. Reverted back to Royal Canadian Corps of Signals 18 Apr 1955.
Canadian Army Service Corps	Redesignated Royal Canadian Army Service Corps 29 Apr 1936. Redesignated The Royal Canadian Army Service Corps 22 Mar 1948. Reverted to Royal Canadian Army Service Corps 18 Apr 1955.
Canadian Army Medical Corps	Redesignated Royal Canadian Army Medical Corps 29 Apr 1936. Redesignated The Royal Canadian Army Medical Corps 22 Mar 1948. Reverted to Royal Canadian Army Medical Corps 18 Apr 1955.
Canadian Army Veterinary Corps	Disbanded 2 Nov 1940
nil	Canadian Army Dental Corps authorized 20 Apr 1915. Disbanded 1 Nov 1920. Canadian Army Dental Corps authorized 15 Jun 1921. Redesignated The Canadian Dental Corps 31 Aug 1939. Regular and Reserve components collectively redesignated The Royal Canadian Dental Corps 15 Jan 1947.
Canadian Ordnance Corps	Redesignated Royal Canadian Ordnance Corps 29 Apr 1936. Redesignated The Royal Canadian Ordnance Corps 22 Mar 1948. Reverted to Royal Canadian Ordnance Corps 18 Apr 1955.
nil	Canadian Electrical and Mechanical Engineers authorized 1 Feb 1944. Redesignated Royal Canadian Electrical and Mechanical Engineers 20 Apr 1944. Redesignated The Corps of Royal Canadian Electrical and Mechanical Engineers 13 Apr 1953.
Canadian Army Pay Corps	*Redesignated The Royal Canadian Army Pay Corps 1 Nov 1920.
The Corps of Guides	Disbanded 31 Mar 1929, absorbed by The Royal Canadian Corps of Signals.
nil	Canadian Machine Gun Corps authorized 1 Jun 1919. Disbanded 15 Dec 1936.
Canadian School of Musketry
nil	Canadian Chaplain Service authorized 1 Jun 1921. Redesignated The Canadian Army Chaplain Corps 22 Mar 1948. Redesignated The Royal Canadian Army Chaplain Corps 3 Jun 1948.
nil	Corps of School Cadet Instructors (Militia) authorized 1 May 1909. Disbanded 1 May 1921. Reorganized 1 May 1921. Redesignated The Cadet Services of Canada (Non-Permanent) 1 Jan 1924. Redesignated The Cadet Services of Canada.
nil	The Canadian Provost Corps authorized 15 Jun 1940.
nil	Canadian Armoured Corps created 13 Aug 1940. Redesignated Royal Canadian Armoured Corps 2 Aug 1945. Redesignated The Royal Canadian Armoured Corps 22 Mar 1948. Reverted back to Royal Canadian Armoured Corps 18 Apr 1955.
nil	Canadian Women's Army Corps authorized 13 Aug 1941. Redesignated The Canadian Women's Army Corps 22 Mar 1948. Reverted to Canadian Women's Army Corps 18 Apr 1955.
nil	Canadian Infantry Corps authorized 2 Sep 1942. Redesignated Royal Canadian Infantry Corps 20 Apr 1947. Redesignated The Royal Canadian Infantry Corps 22 Mar 1948. Reverted to Royal Canadian Infantry Corps 18 Apr 1955.
nil	Canadian Intelligence Corps authorized 29 Oct 1942. Redesignated The Canadian Intelligence Corps 22 Mar 1948. Reverted to Canadian Intelligence Corps 18 Apr 1955.
nil	Canadian Rangers authorized 23 May 1947.