Marie-Marguerite d'Youville, Canadian nun and saint, founded Grey Nuns (d. 1771)
Marguerite d'Youville (French pronunciation: ​[maʁɡʁit djuvil]; October 15, 1701 – December 23, 1771) was a French Canadian widow who founded the Order of Sisters of Charity of Montreal, commonly known as the Grey Nuns of Montreal. She was canonized by Pope John Paul II of the Roman Catholic Church in 1990, the first native-born Canadian to be declared a saint.