Lower St. Clair Township, Allegheny County, Pennsylvania

Lower St. Clair Township was a

township A township is a kind of human settlement or administrative subdivision, with its meaning varying in different countries. Although the term is occasionally associated with an urban area, that tends to be an exception to the rule. In Australia, ...

Allegheny County, Pennsylvania Allegheny County () is a county in the Commonwealth of Pennsylvania. It is located in Southwestern Pennsylvania. As of the 2020 census, the population was 1,250,578, making it the state's second-most populous county, following Philadelphia Co ...

. The township was created by a division of St. Clair Township into Lower St. Clair and Upper St. Clair townships. St. Clair Township was named after

Arthur St. Clair Arthur St. Clair ( – August 31, 1818) was a Scottish-American soldier and politician. Born in Thurso, Scotland, he served in the British Army during the French and Indian War before settling in Pennsylvania, where he held local office. During ...

, an

American Revolutionary War The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...

general A general officer is an officer of high rank in the armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers to a rank above colonel."general, adj. and n.". O ...

and president of the

Continental Congress The Continental Congress was a series of legislative bodies, with some executive function, for thirteen of Britain's colonies in North America, and the newly declared United States just before, during, and after the American Revolutionary War. ...

. Lower St. Clair Township originally included the area from

Chartiers Creek Chartiers Creek is a tributary of the Ohio River in Western Pennsylvania in the United States. The creek was named after Peter Chartier, a trapper of French and Native American parentage who established a trading post at the mouth of the cree ...

Streets Run Streets Run is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed August 15, 2011 tributary of the Monongahela River in Allegheny County, Pennsylvania. This urban stream drains portions ...

—including the present-day South Side and other southern neighborhoods of the

City of Pittsburgh Pittsburgh ( ) is a city in the Commonwealth of Pennsylvania, United States, and the county seat of Allegheny County. It is the most populous city in both Allegheny County and Western Pennsylvania, the second-most populous city in Pennsyl ...

—and other areas of the South Hills. Lower St. Clair Township was subdivided many times and is no longer in existence. The last remnant of the township, absorbed into the City of Pittsburgh in 1920, is the current St. Clair neighborhood of Pittsburgh. Former townships in Allegheny County, Pennsylvania {{pittsburgh-stub