His Officer Commanding, Major D. J. Pretyman, wrote "...he is a great loss to my squadron as he was loved by all the officers and men, besides being a very gallant gentleman and always ready to do his best." The Prince of Wales posthumously awarded the DFC to Irving's sister, Mrs. Kathleen Purves.(Trinity War Book, Trinity Methodist Church, Toronto, Canada) Retrieved on 7 March 2010. The most likely claimants for victory over Irving were either Justus Grassmann or Alois Heldmann.
