OSM tag name=Allen County Courthouse matches Allen County Courthouse in these Wikidata fields:
| Clock towers in Indiana | man_made=water_tower, building=tower, man_made=tower |
| County courthouses in Indiana | amenity=courthouse |
| Courthouses on the National Register of Historic Places in Indiana | amenity=courthouse, boundary=protected_area, historic |
| Government buildings completed in 1902 | building=civic, amenity=public_building, building=public, building=public_building, office=government |
| Limestone churches in the United States | building=church, disused:amenity=place_of_worship, amenity=place_of_worship, man_made=tower |
| National Register of Historic Places in Fort Wayne, Indiana | boundary=protected_area, historic |