OSM tag name=Union Mills matches Union Mills in these Wikidata fields:
OSM tag name=Union Mills matches Union Mills, Indiana in these Wikidata fields:
OSM tag name=Union Mills matches Union Mills, IN in these Wikidata fields:
| Unincorporated communities in Indiana | landuse=residential, place |
| Unincorporated communities in LaPorte County, Indiana | landuse=residential, place |