Jules is the French form of the Latin "Julius" (e.g. Jules César, the French name for Julius Caesar). . In the anglosphere, it is also used for females but it’s still a predominantly masculine name.One of the few notable examples of a female fictional character with the name is Jules Lee from the American TV series Orphan Black: Echoes. It is the given name of: People with the name. Jules Aarons (1921–2008), American space physicist and photographer. Jules Abadie (1876–1953), French politician and surgeon. Jules Accorsi (born 1937), French football player and manager.
https://en.wikipedia.org/wiki/Jules