For anyone needing a Montreal hotel either side of the wedding, we recommend staying in the Old Port of Montreal. You'll find lots of great hotels and it's very centrally located - no more than a 15 minute drive to either our house or the restaurant we've booked for Thursday night.
The Hotel Bonaventure on Rue de la Gauchetère has a rooftop pool, and the Hotel Nelligan on Rue St Paul is also a solid option.
We live in the Notre-Dame-de-Grace neighbourhood at 3820 Ave de Melrose, but you won't find any hotels near us, unfortunately!
Let us know if you need help with these or other options and we can organize for you, no problem.