She studied at the Council of Arts & Manufactures and the École des Beaux-Arts, under Charles Maillard and Maurice Feliz, and later under Edwin Holgate at the Montreal Arts Association.
In Europe, places such as France, Italy, Spain, Greece, Belgium, Germany and England.
She studied the works of important sculptors like Rodin, Despiau, Bourdelle, and Mestrovic, among others, and worked with Henri Charlier.
She has won many notable prizes for her work and they are exhibited in reputable institutions in the United States, Italy, and Canada.
She is known to have make excellent portrait sculptures, as well as revitalizes the traditions of liturgical art which was originally established centuries ago by the first sculptures of the time.
Daoust was also one of the original members of the organization Le Retable d’Art Sacre, who helped transform the state of Roman Catholic churches in French Canada, which has set very high standards by the religious statues executed at the time.
Sylvia Daoust died in Montreal in 2004 at the age of 102.