Private Sidney Frank Cooper was born in Mitcham, Surrey, England, on January 4, 1898, to parents John and Annie Cooper. At the time of  Sidney’s enlistment his family was living in Moosomin, Saskatchewan.

Cooper enlisted as a Bandsman with the 10th Canadian Mounted Rifles at Sewell Camp, Manitoba, on July 28, 1915. In May 1916 he proceeded to England aboard the SS Olympic and then in September to France where he joined the 27th Battalion Canadian Infantry. Following the Armistice agreement that brought an end to armed conflict, Cooper returned to Canada aboard the SS Aquitania and was demobilized on May 27, 1919.

Sidney Cooper’s older brother also enlisted in WWI with the 10th Canadian Mounted Rifles. Private Harold William Cooper was killed in France on October 9, 1918.

Content notes:
The collection’s only photo is of Pte. Sidney Cooper with (mascot?) bear cub. Also included is the 1915 Christmas greetings of the 10th Canadian Mounted Rifles.

External links:
Pte. Sidney Cooper’s service record (Serv/Reg# 155600 (orig.# 115591)) can be viewed/downloaded in pdf format through Library and Archives Canada.