I'm from Montréal (1963-).
You followed the touristic path in Vieux Montréal.
It's a theme park displaying a colonialist match made in heaven.
The church is Basilique Notre-Dame:
https://en.wikipedia.org/wiki/Notre-Dame_Basilica_(Montreal)
The "nice bit" is Banque de Montréal (1847):
https://en.wikipedia.org/wiki/Bank_of_Montreal
https://history.bmo.com/
The fountain is at Place Vauquelin:
https://fr.wikipedia.org/wiki/Place_Vauquelin
Henri-Henri is a famous chapelier:
https://www.henrihenri.ca/us/our-story/
It doesn't sell silly Canadian hats.