Cooper, Henry Sloane

Lieutenant Colonel Henry “Harry” Sloane Cooper, OBE, MC  was born September 12, 1888 in Davisville, Ontario, son of veterinary surgeon Hugh Cooper and Eliza Sloane.

Military Service

  • 1 December 1913 – was a Captain with A Company (Oakville), 20th Regiment (Halton Rifles)
  • 22 September 1914 – Enlisted at Valcartier with the 11th Battalion, CEF and went overseas with the 6th Battalion, CEF
  • 6 May 1915 – Transferred to Princess Patricia’s Canadian Light Infantry
  • 29 July 1915 – Transferred to 3rd (Toronto) Battalion
  • 26 March 1916 – On leave until 6 April 1916
  • 13 June 1916 – Wounded during a Battalion attack
  • 23 July 1916 – Awarded the Military Cross (London Gazette 19 August 1916 p. 8232) “For conspicuous gallantry and devotion to duty during operations. He led his company in the attack with great dash, and, though severely wounded, pushed on to his objective and refused to be attended to till the position was secure. He set a fine example.”
  • 2 December 1916 – Promoted acting Major
  • 14 December 1916 – on leave returned 25 December 1916
  • 2 January 1917 – Awarded a Bar to the Military Cross (London Gazette 13 February 1917 p.1539) “For conspicuous gallantry in action. He led a successful raid against the enemy’s trenches with great courage and coolness. He has on many previous occasions done fine work.”
  • 13 April 1917 – left for England on duty
  • 31 July 1917 – Leave until August 18
  • 16 March 1919 – Mentioned in Despatches
  • 2 June 1919 – Made an Officer of the Order of the British Empire (London Gazette 31370 dated 3 June 1919)
  • 23 June 1919 – Mentioned in Despatches
  • 23 July 1919 – Promoted Temporary Lieutenant Colonel
  • 22 September 1919 – Demobilized

After the war, Cooper served as a member of the Ontario Provincial Parliament from 20 October 1919 to 10 May 1923.

On 18 August 1923 he married Ada Grace Allin and they subsequently had two children: Allin Sloane and Patricia.

He was a manufacturer of embroidery.

Cooper died 23 September 1970 at the age of 82.

"In Pace Paratus – In Peace Prepared"