Wikidata and OpenStreetMap/Nominatim gazetteer lookups · Wikidata / OpenStreetMap
Parent place Summer Hill, New South Wales, Australia (id 289) is geocoded -33.89/151.1386111 (Q2777749); Nominatim resolves the street-level point for Carlton Crescent within Summer Hill to -33.8900345/151.136774.
Row's geocodedSource was already 'parent' but lat/lon had never actually been populated - coordinate inheritance had stalled. ~150m from the suburb centroid, not invented.