Editing Wilmerding, Pennsylvania (section)

==History==
[[George Westinghouse]] purchased land in the Turtle Creek valley in 1887 and 1888 as a site for his [[Westinghouse Air Brake Company]] and related facilities. Westinghouse then sold the land to the East Pittsburgh Improvement Company, incorporated in December 1888, to develop the site, and it began the sale of lots in June 1889.<ref name="WilmerdingRenewed">{{cite web|url=http://www.wilmerdingrenewed.org/ |title=Wilmerding Renewed, Incorporated |access-date=2008-07-21 |url-status=dead |archive-url=https://web.archive.org/web/20110217141556/http://www.wilmerdingrenewed.org/ |archive-date=February 17, 2011 }}</ref>

Wilmerding's most notable historic structure is the [[Westinghouse Air Brake Company General Office Building]] (1889–1890, rebuilt 1896), designed by [[Frederick J. Osterling]] and now listed on the [[National Register of Historic Places]].<ref>{{cite web|url=https://www.dot7.state.pa.us/ce/NET/Reports/Reports.aspx?R=108&T=KEYNO&I=008359&O=A |title=National Register of Historical Places – Westinghouse Air Brake Company General Office Building |access-date=2011-03-08 |work=CRGIS: Pennsylvania's Historic Architecture & Archeology |publisher=Pennsylvania Museum and Historical Commission}}</ref><ref>{{NRISref|version=2009a}}</ref>

The community was named for Joanna Wilmerding (Bruce) Negley, wife of William B. Negley, who in turn was a local landowner and nephew of [[Thomas Mellon]].<ref name="WilmerdingRenewed"/>

Wilmerding officially became a borough on March 8, 1890. The first [[burgess (title)|burgess]] ([[mayor]]) was T. W. Walsh, elected on June 14, 1890.<ref name="WilmerdingRenewed"/>