The Collaborative International Dictionary of English v.0.48:

Sulpician \Sul*pi"cian\, n. [So called after the parish of St.
   Sulpice in Paris, of which the founder, Jean Jacques Olier,
   was pastor in 1643.] (R. C. Ch.)
   One of an order of priests established in France in 1642 to
   educate men for the ministry. The order was introduced soon
   afterwards into Canada, and in 1791 into the United States.
   [Written also Sulpitian.]
   [1913 Webster]