OSM tag name=Saint John's Episcopal Church matches St. John's Episcopal Church in these Wikidata fields:
| 19th-century Episcopal church buildings | man_made=tower, amenity=place_of_worship, building=church, disused:amenity=place_of_worship |
| Churches completed in 1849 | man_made=tower, amenity=place_of_worship, building=church, disused:amenity=place_of_worship |
| Churches on the National Register of Historic Places in Maryland | boundary=protected_area, building=church, historic, man_made=tower, amenity=place_of_worship, disused:amenity=place_of_worship |
| Episcopal church buildings in Maryland | man_made=tower, amenity=place_of_worship, building=church, disused:amenity=place_of_worship |
| Gothic Revival church buildings in Maryland | man_made=tower, amenity=place_of_worship, building=church, disused:amenity=place_of_worship |
| Properties of religious function on the National Register of Historic Places in Baltimore | boundary=protected_area, historic |