OSM tag old_name=Constitution Building matches Constitution Building in these Wikidata fields:
| Federal government buildings in Ottawa | amenity=public_building, building=public_building, building=public, office=government, building=civic |
| Office buildings in Ottawa | office, landuse=commercial, building=office, building=commercial |
| Residential buildings in Ottawa | building=house, building=apartments, landuse=residential, building=residential |