Private Frank Blencowe left for overseas with No.2 Construction Battalion March 27th, 1917, proceeding to France May 16th, 1917, attached to 50th. Company, Canadian Forestry Corps in No.5 District. Due to an accident he received five weeks hospital treatment, and transferred December 29th, 1917, to 30th. Company, No.1 District, and again April 15th, 1918, to 38th. Company, No.1 District. He served until December 3rd, 1918, when the battalion broke camp, and left France December 23rd, embarking from England for Canada January 11th, 1919, arriving at Halifax January 17th, 1919.
Private Frank Blencowe received his discharge February 8th, 1919, due to demobilisation.