| Saint Mark's Catholic Church | — | 55 Driftwood Drive, Kitchener | — | |
| Saint Mark's Catholic Church | — | — | — | |
| Saint Mark's Lutheran Church | — | 1123 Henry Street, Wellesley | — | |
| Saint Mark's Lutheran Church | — | 600 Cambridge Street | — | |
| Saint Mark's United Church | — | 38 Aldborough Avenue, St. Thomas | — | |
| Saint Mark's United Church | — | 50 Dexter Drive, Saint John, E2M 4M4 | — | |
| Saint Martin Anglican Church | — | — | — | |
| Saint Martin Catholic Church | — | 17560 Highway 7, Tangier, B0J 3H0 | — | |
| Saint Martin Catholic Church | — | — | — | |
| Saint Martin-in-the-Fields Anglican Church | — | 489 Pinetree Drive, London | — | |
| Saint Martins Baptist Church | — | — | — | |
| Saint Martins United Church | — | 24 Main Street, E5C 3J2 | — | |
| Saint Mary Antiochian Orthodox Church | — | — | — | |
| Saint Mary Eritrean Orthodox Agazian Church | — | 214 Highland Road East, Kitchener | — | |
| Saint Mary Macedonian Orthodox Church | — | 284 Water Street North, Cambridge | — | |
| Saint Mary of the Purification Roman Catholic Church | — | 230 Queen Street East, Mount Forest | — | |
| Saint Mary of the Visitation Catholic Church | — | 16 Cooper Street, Cambridge | — | |
| Saint Mary Our Lady of the Seven Sorrows | — | 56 Duke Street West, Kitchener, N2H 3W7 | — | |
| Saint Mary Queen of Heaven Roman Catholic Church | — | 1145 Isabella Drive, Linwood | — | |
| Saint Mary Star of the Sea Roman Catholic Church | — | 11 Peter Street South, L5H 2G1 | — | |
| Saint Mary the Virgin | — | 808 East 50th Avenue | — | |
| Saint Mary the Virgin | — | — | — | |
| Saint Mary the Virgin Anglican Church | — | — | — | |
| 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 | — | |