Source: August 1918 casualty.
Joining the 149th Battalion at Petrolia, Ontario on January 24, 1916, this 19-year-old student was off to war. He was born in the United States and may have joined as an Americal citizen as he may not have been a British subject.
He boarded the SS Lapland in Halifax on March 25, 1917 and arrived at Liverpool on April 7, 1917. He arrived at Bramshott Camp the same day. On April 11, he was stuck off strength from the 149th and transferred to the 4th Reserve Battalion.
November 22, 1917 orders were issued for Private Gleeson to the 1st Battalion. Arriving at the Canadian Base Depot at Etaples he was transferred to the 18th Battalion on December 7, 1917. He arrived in the field on December 6, 1918.
He was killed on August 27, 1918: ‘“Killed in Action” Killed instantly by shrapnel when an enemy shell exploded while he was taking part with his battalion in operations in front of Arras.’
War Diary of the 18th Battalion CEF 