- Category: Populated Place
- Type: Village
- Latitude/Longitude: 58°53'51"N 2°54'46"W
- Eastings/Northings: 347500, 1001500
- OS Grid: HY475015
- Mapcode Local: GBR M556.NCS
- Mapcode Global: WH7CK.7M6C
Location and coordinates are for the approximate centre of St Mary's within this administrative area.
Geographic features and populated places may cross administrative borders.