Mrs York  is listed in the National Roll of the Great War as a Special War Worker at a TNT Filling Factory (likely to be the Chaul End site of George Kent's).

Volunteering for work of National Importance during the war this lady was engaged in a TNT Filling Factory for two years. Her work which was in connnection with pellet making and bomb-filling  was of a highly dangerous character and was carried out in a thtoroughly capable and efficient manner.