 In the summer of 1811, he accompanied Bishop Joseph-Octave Plessis, as secretary, on a pastoral visit to the Îles de la Madeleine and New Brunswick; and was ordained the following October.Father Gaulin was assigned to assist Bishop Alexander Macdonell as a curate in Glengarry County in Upper Canada.Gaulin was tri-lingual, speaking English, French, and Gaelic.