Jean-Jacques Olier, French priest and mystic, founded the Society of Saint-Sulpice (d. 1657)
Jean-Jacques Olier, S.S., (20 September 1608 – 2 April 1657) was a French Catholic priest and the founder of the Sulpicians. He helped to establish the Société Notre-Dame de Montréal, which organized the settlement of a new town called Ville-Marie (now Montreal) in the colony of New France.