OSM tag name=St Martin on the Walls matches St Martin's-on-the-walls in these Wikidata fields:
| Church of England church buildings in Dorset | man_made=tower, amenity=place_of_worship, building=church, denomination=anglican, disused:amenity=place_of_worship |
| Grade I listed churches in Dorset | amenity=place_of_worship, disused:amenity=place_of_worship, man_made=tower, building=church |
| Scheduled monuments in Dorset | historic=memorial, memorial:type=statue, memorial=statue, tourism, historic=monument |
| Standing Anglo-Saxon churches | amenity=place_of_worship, disused:amenity=place_of_worship, man_made=tower, building=church |