In 1915 she was installed at Abbeville as matron-in-chief of the BEF in France and Flanders, taking charge of the whole area from the Channel to the Mediterranean, wherever British and allied nurses worked; she was directly responsible to General Headquarters.
In 1915 she took charge at Abbeville as chief nurse of the BEF in France and Flanders, covering the entire stretch from the Channel to the Mediterranean, where British and allied medical personnel worked; she was under direct supervision by General Headquarters.