[1] She is best known for her work during the 1930s and 1940s at the Algiers Observatory, in Algeria, North Africa, where she discovered 1333 Cevenola, a stony Eunomian asteroid from the main-belt.
[2][3] Bancilhon was a graduate in science and she served as a meteorological assistant in Algiers for one year beginning 1 December 1932.
[4] On 7 December 1933, she was appointed as Alfred Schmitt's replacement while he performed his military service.
[1] She and her husband were transferred to the Strasbourg Observatory in France on 1 January 1950, and she worked there as an assistant for several years.
[1] The main-belt asteroid 1713 Bancilhon (measuring 5.716 kilometers in diameter) was named in her honor.