Allegheny County

Allegheny County was formed from Westmoreland and Washington Counties in 1788

Steelworker on River

(Photo courtesy of the  Library of Congress, Office of War Information, LC-USF33-002840-M2 )


(Source: U.S. Census bureau, 2010)

Population: 1,223,348
Primary ethnic makeup:  Irish, German, African-American, Eastern European, Italian
Industries:  Steel, manufacturing, coal, retail
Major cities:  Pittsburgh

County Records

Land Records – Deeds from 1789 – present, Department of Real Estate – 542 Forbes Avenue, Room 101, (412) 350-4210

Birth and Death Records – 1870 – Present – Carnegie Library of Pittsburgh, Pennsylvania Department

Marriages – (Pittsburgh Only) – 1870 – 1879 – Orphan’s Court – 414 Grant Street, Pittsburgh, (412) 350-4180   


UNIQUE RESOURCESAllegheny County Map

(Allegheny Township Map courtesy of Kristin Bryson and Bare Roots Publishing)

Digiprove sealCopyright secured by Digiprove © 2016 The Genealogical Society of Pennsylvania

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