Soldiers Died in the Great War states that he was born in Morpeth and enlisted in Chevington.
John Hardy says that he was the son of Henry and Jane Hardy of the Willows, Red Row.
"By the Green of the Spring" A tribute to the men of Chevington and Broomhill who served in the First World War:; J.H. Hardy; 2004; Amble Social History Group.
Gladstone Hardy is remembered in Chevington on C27.01 and C27.02 and in the Battalion History