Sidney was born on July 29 1909 in Sydney British Columbia as the son of Thomas and Ada Backus, of Victoria, British Columbia.
He was a shingler and member of the United Church.
He enlisted on June 23 1940 in Victoria British Columbia and he went on September 2 1941 overseas to the UK and he went thereafter on July 3 1944 to France.
Sidney died of wounds on Friday April 27 1945 age 35 in the D Coy near the Leda River during the battle of Leer in Germany and he was temporarily buried in Ihrhove Germany and was reburied on March 12 1946 in Holten.
His medals were: 1939-45 Star; France Germany Star; Defence Medal; War Medal: CVSM & Clasp.