1st Battalion, Canadian Machine Gun Corps.

Awarded the Military Cross in the London Gazette of 7 November 1918 (citation below).

Awarded the Military Medal in the London Gazette 9 July 1917. (Registered paper 68/121/221, schedule 87527).

Awarded the French Croix de Guerre in the London Gazette 3 January 1919.

The citation for his Military Cross reads, "For conspicuous gallantry and initiative. He was in command of a motor machine gun battery and a cyclist battalion, and with his small force he captured and held a very important enemy strong point that constituted a gap between our troops and that of our Allies. The success of the operation was due to his coolness and courage, which were fine examples to his men".

Smith was a native of Burnley, Lancashire.

Smith was born at Burnley, Lancashire, on the 25 June 1893, the son of Marion T. Smith of Hill End, Burnley (Briercliffe with Extwistle). Marion Thornber Smith was a single parent born in 1862, the daughter of Thomas Thornber Smith, Land Owner and Cotton Manufacturer.

Harold enlisted into the 32nd Battalion, Canadian Expeditionary Force on the 7 November 1914 at Lloydminster, Saskatchewan and was aged 21 years and 10 months and a farmer by trade. he was alocated the number 81823 and after promotions through to sergeant was commissioned on the 17 August 1917 to lieutenant.

He served in France from the 6 September 1915 until wounded - a severe gun shot wound to the shoulder on the 28 April 1917, evacuated to England on H.S. Princess Elizabeth on the 2 May 1917. He returned to France on the 7 December 1917 and served there until the end of hostilities.

Harold returned to Canada on the 12 April 1919.