411 REFERENCE · Wiktionary
Allegheny County
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after the Allegheny River.
Proper noun
Allegheny County
en One of 67 <<counties>> in <<s/Pennsylvania>>, <<c/USA>> Pittsburgh.
See also
en Allegany County and en Alleghany County
References
Index of U.S. counties