Regis Lavalle died on 26 June 1925 at the St-Jean-de-Dieu Hospital in Montréal. He is buried on the 29 June 1925 at the St-Jean-de-Dieu Hospital Cemetary in Montréal.
The following link is where the cemetary is located:
http://www.leslabelle.com/Cimetieres/AfficherCim.asp?MP=E3&a...According to the link the cemetary does not exist anymore.
The following link tells the story of the cemetary (in french):
http://books.google.ca/books?id=9Dc4I2C3d0wC&pg=PA90&...