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Allegheny

American  
[al-i-gay-nee] / ˌæl ɪˈgeɪ ni /

noun

  1. a river flowing NW from Pennsylvania into SW New York and then S through W Pennsylvania, joining the Monongahela at Pittsburgh to form the Ohio River. 325 miles (525 km) long.


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In 2012, a team of researchers investigating reports of synchronous fireflies stayed at their bed-and-breakfast in Kellettville, Pa., a small community surrounded by Allegheny National Forest.

From The Wall Street Journal ● Jun. 3, 2026

The county executive explained the options: default, or refinance the bonds at a cost of $400 million to Allegheny County.

From Slate ● Nov. 24, 2025

He eventually was carted off and taken to Allegheny General Hospital in critical condition.

From Los Angeles Times ● Sep. 11, 2025

Allegheny County officials told the BBC that the group had come to apply for mail-in ballots and the officials reiterated that only US citizens can register to vote.

From BBC ● Oct. 30, 2024

It allowed settlers to live in “Indian Territory” west of the Appalachian and Allegheny Mountains.

From "An Indigenous People’s History of the United States" by Roxanne Dunbar-Ortiz

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