'February 26th to September 20th, 1917. For consistent good work throughout the period under review both as Forward Observation Officer and with the Guns. At Pettit Monque Farm (near Ploegstreet) on May 6th Lieutenant Lyon, at great personal risk, went from the Officer's Mess over open ground for a distance of some 500 yards under heavy shell fire to help two wounded men, rendered first aid, and had them carried back to a place of safety. This Officer has always displayed exceptional courage and devotion to duty.'
Source: London Gazette
Date: 1 January 1918

Regimental number	2/605
Address	Foxton
Marital status	Married
Next of kin	Wife, Mrs G Lyon, Foxton
Rank on embarkation	Gunner
Enlistment status	Volunteer
Unit name	New Zealand Expeditionary Force, Main Body, New Zealand Field Artillery
Embarkation details	Unit embarked from Wellington on 16 October 1914
Medals	Military Medal 'February 26th to September 20th, 1917. For consistent good work throughout the period under review both as Forward Observation Officer and with the Guns. At Pettit Monque Farm (near Ploegstreet) on May 6th Lieutenant Lyon, at great personal risk, went from the Officer's Mess over open ground for a distance of some 500 yards under heavy shell fire to help two wounded men, rendered first aid, and had them carried back to a place of safety. This Officer has always displayed exceptional courage and devotion to duty.' Source: London Gazette Date: 1 January 1918
Miscellaneous details	Nominal Roll Vol. 1: Field Artillery/Main Body