Notes
Hornshaw and Fowler provide the extra details. He was a warper at a mill who enlisted in May 1915 and served as a Lewis Gunner. He is also commemorated on IWM 2130 and 2823 as well as the Arras Memorial. Ewart Dyson was his younger brother and is also commemorated here having died in the same attack 2 days after Leonard: another brother, Willie, survived the war.