OSM tag name=Downtown St. Catharines matches Downtown St. Catharines in these Wikidata fields:
| Central business districts in Canada | place=neighbourhood, landuse=residential, place=suburb, boundary=administrative, admin_level, building=mall, shop=mall, place, landuse=retail, site=mall, landuse=commercial, type=site |
| Neighbourhoods in St. Catharines | place, type=boundary, boundary, landuse, admin_level, political_division=ward |
| Restaurant districts and streets in Canada | place, landuse=commercial |