Thomas Leo O'Keefe was born in Okanagan, British Columbia, in January 1889. At the time of his enlistment in Victoria, British Columbia, in February 1915 he was a law student. O'Keefe served overseas with the 7th Canadian Cavalry as an ambulance driver until he was discharged in the spring of 1918 on compassionate grounds. The collection currently consists of his discharge certificate and two photographs.