Allegheny County was formed from Westmoreland and Washington Counties in 1788
Demographics
(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
RESEARCH RESOURCES
- Allegheny City Society
- Allegheny Foothills Historical Society
- Carnegie Library, Pennsylvania Department
- Heinz History Center
- Historic Pittsburgh, (Project of the University of Pittsburgh)
- Jewish Genealogical Society of Greater Pittsburgh
- Mifflin Township Historical Society
- North Hills Genealogists
- PA GenWeb: Allegheny County
- Rivers of Steel National Heritage Area [Museum and Archives]
- Sewickley Valley Historical Society
- Soldiers and Sailors Hall and Museum
- Tarentum Genealogical Society
UNIQUE RESOURCES
- Pittsburgh City Directories
- Allegheny County Cemetery Records
- Allegheny County Government Website
- Don’s List – Pittsburgh – Allegheny County and Much More
(Allegheny Township Map courtesy of Kristin Bryson and Bare Roots Publishing)