Family Search: When Lieutenant Reginald Brooke Barnes was born on 8 April 1891, in McLeod Lake, Fraser-Fort George, British Columbia, Canada, his father, Rennie Burford Barnes, was 37 and his mother, Sarah Isabella Martin, was 33. He lived in Fort Macleod, Willow Creek No. 26, Alberta, Canada in 1911 and Alberta, Canada in 1916. He registered for military service in 1915. In 1915, at the age of 24, his occupation is listed as bank manager in Calgary, Alberta, Canada. He died on 15 September 1916, in Courcelette, Somme, Picardie, France, at the age of 25, and was commemorated in Vimy, Pas-de-Calais, Nord-Pas-de-Calais, France.
Post regarding the location of burial of Lieutenant Barnes.
Another Post regarding Lieutenant Barnes.
Joined the 18th Battalion in May 1916. Killed in action September 15, 1916, during the attack on Courcelette during the Somme Battles.
The following images are from a Canadian Expeditionary Force Study Group post:
Lieut. Barnes, whose picture appears in today’s issues of The Herald, worked in the Canadian Bank of Commerce here for several years and was also actively engaged in business in this city for some considerable time before his enlistment. His parents are living in MacLeod, and he has another brother serving in the Canadian forces in Flanders.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 