Her name was Simone Segouin, also known by her war name, Nicole Minet. When this photo was taken on August 19th 1944 she was 18 years old. She had killed two Germans in the Paris fighting two days previously, and also had assisted in capturing 25 German POWs during the fall of Chartres.
Simone Segouin was involved in armed actions against enemy convoys and trains, attacks against enemy detachments, acts of sabotages, etc. The French newspaper Independent Eure-et-Loir on its August 26, 1944 issue described her as “one of the purest fighters of heroic French Resistance who prepared the way for the Liberation”. She was present at the fall of Chartres, on August 23, 1944, and at the Liberation of Paris. She was promoted to lieutenant, and awarded the Croix de guerre. A street in Courville-sur-Eure was named for her.