Source: News article regarding death of Pte. Peacock.
Find-A-Grave Vimy and Find-A-Grave Brampton
Family Search: When Private Sydney Charles Terry was born on 24 February 1898, in Brampton, Peel, Ontario, Canada, his father, Charles Thomas Terry, was 28 and his mother, Annie Wellwood, was 27. He registered for military service in 1916. In 1916, at the age of 18, his occupation is listed as farming in Brampton, Peel, Ontario, Canada. He died on 9 May 1917, in Neuville-Saint-Vaast, Pas-de-Calais, Nord-Pas-de-Calais, France, at the age of 19.
PTE. S.C. TERRY KILLED
According to word received by relatives n Brampton, Pte. S.C. Terry has made the supreme sacrifice. The fallen soldier enlisted in Toronto with the “Pals” Battalion, commanded by Lieut.-Col. Chadwick and went overseas from Camp Borden last August. He was attached to the scouts’ section.
Source: Toronto Star – May 23, 1917 via CVWM.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 