Age (at death): 25
Unit (battalion or company): 28th Battalion (6th Infantry Brigade)
Division: 2nd Canadian Infantry Division
Service/Regimental Number: 781324
Honours and Awards: Not applicable
Next of Kin (and relationship): Edward and Susan Mainse of Lyndhurst, Ontario (parents)
Date of Death: November 7, 1917
Country of Burial: Belgium
Cemetery: Vlamertinghe New Military Cemetery
Grave Reference: IX. C. 15
Location: Vlamertinghe New Military Cemetery is located five kilometres west of Ieper town centre, south of the village of Vlamertinghe.
Book of Remembrance: Clarence Garfield Mainse’s name can be found on page 289 of the 1917 First World War Book of Remembrance.