Source: Per post of headstone of this soldier by Greg Melanson from the 18th Battalion Facebook Group.
This soldier, reg. no. 739666, joined the 114th OS Battalion at Hagersville, Ontario on March 2, 1916. He went overseas to England and was assigned to the 18th Battalion on September 9, 1917, joining the unit in the field on October 19, 1917. He served with the Battalion until wounded April 2, 1918, suffering a GSW to the left thigh.
Per post of headstone of this soldier by a member from the 18th Battalion Facebook Group. 
War Diary of the 18th Battalion CEF 