[1] In January 1916 while at Oxford he volunteered for army service, and was commissioned as Second Lieutenant in the King's Own Yorkshire Light Infantry.
[1] He served at the Somme in France, and in November 1916 moved with his battalion to the Ypres Salient in Flanders.
[1] Some of his poems were published in the anthology Songs from the Heart of England (1920), edited by Alfred Moss and with a foreword by Jerome K.
[1][3] Parry is buried in Vlamertinghe Military Cemetery [nl], in the village of Vlamertinge in West Flanders, Belgium.
The headstone bears the inscription "Death is the Gate To the High Road of Life And Love is the Way (Harold Parry)".