| Saint Mary Ukrainian Orthodox Church | — | — | — | |
| Saint Mary's | — | 780 McEvoy Street, Fredericton | — | |
| Saint Mary's & Saint Bartholomew's Church | — | 646 Westmorland Road, Saint John | — | |
| Saint Mary's Anglican Church | — | — | — | |
| Saint Mary's Cathedral | — | 219 18 Avenue SW, T2S 0C2 | — | |
| Saint Mary's Cathedral | — | 353 Saint Mary Avenue, R3C 0M8 | — | |
| Saint Mary's Cathedral Basilica | — | 5221 Spring Garden Road, B3J 1Z3 | — | |
| Saint Mary's Catholic Church | — | 345 Lyle Street, London | — | |
| Saint Mary's Catholic Church | — | 305 Squirel Street, Banff, T1L 1B1 | — | |
| Saint Mary's Catholic Church | — | 211 Union Street, Simcoe | — | |
| Saint Mary's Catholic Church | — | 51 Venison Street East, Tillsonburg | — | |
| Saint Mary's Catholic Church | — | 365 Main Street East, Palmerston | — | |
| Saint Mary's Catholic Church | — | — | — | |
| Saint Mary's Catholic Church | — | — | — | |
| Saint Mary's Church | — | 1418 Melwood Drive, Kerwood | — | |
| Saint Mary's Church | — | — | — | |
| Saint Mary's Church | — | 360 Newcastle Boulevard, Miramichi, E1V 2J9 | — | |
| Saint Mary's Coptic Orthodox | — | 388-390 Ottawa Street South, Kitchener | — | |
| Saint Mary's Coptic Orthodox Church | — | 12469 104 Avenue | — | |
| Saint Mary's Holy Family Roman Catholic Church | — | — | — | |
| Saint Mary's Parish Church | — | 95 Marlborough Street North, Blenheim | — | |
| Saint Mary's Roman Catholic Church | — | 94 Main Street South, Hagersville | — | |
| Saint Mary's Roman Catholic Church Cemetery | — | 13610 10th Concession | — | |
| Saint Mary's Syro Malabar Catholic Church | — | 245 King Edward Avenue, London | — | |
| Saint Mary's Ukrainian Catholic Church | — | 3625 Cawthra Road | — | |
| Saint Mary's Ukrainian Catholic Church | — | 40 Notre Dame Avenue, Sudbury, P3C 5K2 | — | |
| Saint Mary's Ukrainian Catholic Church | — | 582 Eagle Street North, Cambridge | — | |
| Saint Mary's Ukrainian Catholic Church | — | — | — | |
| Saint Mary's Ukrainian Church | — | 115 York Road, Guelph, N1E 3E7 | — | |
| Saint Mary's Ukrainian Orthodox Church | — | 4105 27th Street | — | |
| Saint Marys Presbysterian Church | — | 147 Widder Street East, St. Marys | — | |
| Saint Marys United Church | — | 85 Church Street, St. Marys | — | |
| Saint Mathew's Church | — | 6219 Fansher Road, Florence | — | |
| Saint Matthew Catholic Church | — | 1150 Monks Passage | — | |
| Saint Matthew Lutheran Church | — | 54 Benton Street, Kitchener, N2G 3H2 | — | |
| Saint Matthew's | — | 1479 Barrington Street, Halifax, B3J 1Z2 | — | |
| Saint Matthew's Anglican | — | 2588 West Ship Harbour Road, Owls Head, B0J 1Y0 | — | |
| Saint Matthew's Anglican Church | — | 641 Saint Matthews Avenue, R3G 0G6 | — | |
| Saint Matthew's Anglican Church | — | — | — | |
| Saint Matthew's Parish | — | — | — | |
| Saint Matthew's Roman Catholic Church | — | 45 Dollard Drive, Saint John | — | |
| Saint Matthews Evangelical Lutheran Church | — | 131 Flax Mill Drive, Conestogo | — | |
| Saint Matthias and Saint Luke Church | — | 3076 East 49th Avenue | — | |
| Saint Michael & All Angels Anglican Church | — | 2852-2058 Mill Street | — | |
| Saint Michael and All Angels Anglican Church | — | 22503 Highway 7, Sheet Harbour, B0J 3B0 | — | |
| Saint Michael and All Angels Anglican Church | — | 397 Springbank Drive, London | — | |
| Saint Michael and All Angels Anglican Church | — | — | — | |
| Saint Michael and All Angels' Anglican Church | — | 300 Hugo Street North, R3M 2N7 | — | |
| Saint Michael Catholic Church | — | 26 George Street, Ridgetown | — | |
| Saint Michael Church | — | 698 Tecumseh Street, Dresden | — | |