See this post for a letter written by him regarding the deaths of Pte. Hislop and Holland.
Find-A-Grave
Family Search: Lieutenant James Beeson was born on 10 October 1876, in Ecclesfield, Yorkshire, England, United Kingdom. He had at least 2 sons with Annie Beeson. He immigrated to Canada in 1910 and lived in Elgin, Ontario, Canada in 1911 and Kitchener, Waterloo, Ontario, Canada in 1922. He registered for military service in 1914. In 1914, at the age of 38, his occupation is listed as cadet and physical education instructor in St. Thomas, Elgin, Ontario, Canada. He died on 6 June 1941, in Coldstream, Berwickshire, Scotland, United Kingdom, at the age of 64.
Separated from service for “apparent nerve degeneration.” Implication he has a recent case of syphilis.
London Advertiser January 18, 1917. Page 1 and 3. Via Allan Miller at Facebook.
Notation from “The Honour Roll of the Ontario Teachers Who Served in the Great War 1914 – 1918”
Beeson, James, Curtis St., St. Thomas; Phys. Dir. St. Thomas C.I.;
5/ 11/ 14, Lieut., 18th Bn., Fr., Dis. 13/1/17.
He was the Physical Education Director for St. Thomas Collegiate Institute.
Died: 6/6/1941
History of the 18th Battalion CEF, "The Fighting Eighteenth" 
I have recently acquired a WW1 CANADA officers cap from England
Appears to have ” JC Beeson 18th Br C.E.F ” written on the liner
I believe it belonged to this soldier and if so adds to the info on him
Pictures available if requested
Thx Brad