OSM tag name=St. John matches Saint John in these Wikidata fields:
OSM tag name:fr=Saint-Jean matches Saint Jean in these Wikidata fields:
OSM tag name:fr=Saint-Jean matches Saint-Jean in these Wikidata fields:
OSM tag name=St. John matches Saint John, Jersey in these Wikidata fields:
OSM tag name=St. John matches St John, Jersey in these Wikidata fields:
OSM tag name=St. John matches St John in these Wikidata fields: