Louise Geneviève de Le Hye née Rousseau (8 March 1810 - 17 November 1838) was a French pianist, organist and composer, who sometimes used the pseudonym M. Leon Saint-Amons. She was born in Charenton, France, daughter of Charles-Louis Rousseau and grand niece of philosopher Jean-Jacques Rousseau. She studied piano with her father and with Louis Joseph Saint-Amans, and in 1821 entered the Paris Conservatoire.[1]
Rousseau began teaching at the Conservatoire in 1930, but moved to Cambrai after she married. She had two children and returned to Paris in 1834 where she continued teaching and composing. She suffered from poor health and died in Paris at the age of 28.[2]
De Le Hye composed works including an opera, cantatas, masses, piano works, duos and string quartets. Selected compositions include:
Her Methode d'orgue expressif was published after her death.