 His coadjutor, James Whitfield, who succeeded him as Archbishop of Baltimore, had not yet been consecrated when Maréchal died.Maréchal's body is interred in the Baltimore Basilica's crypt, and his heart is in the chapel behind Elizabeth Ann Seton's house in downtown Baltimore.His writings consist almost entirely of letters and documents scholarly in style, and are to be found in "The History of the Society of Jesus in North America" by Hughes.