Lower St. Clair Township, Allegheny County, Pennsylvania
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Lower St. Clair Township was a
township A township is a form of human settlement or administrative subdivision. Its exact definition varies among countries. Although the term is occasionally associated with an urban area, this tends to be an exception to the rule. In Australia, Canad ...
in
Allegheny County, Pennsylvania Allegheny County ( ) is a County (United States), county in Pennsylvania, United States. As of the 2020 census, the population was 1,250,578, making it the List of counties in Pennsylvania, state's second-most populous county, after Philadelp ...
. 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 Major-General Arthur St. Clair ( – August 31, 1818) was a Scottish-born American military officer and politician. Born in Thurso, Caithness, he served in the British Army during the French and Indian War before settling in the Province of Pe ...
, 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 the armed conflict that comprised the final eight years of the broader American Revolution, in which Am ...
general A general officer is an Officer (armed forces), officer of high rank in the army, armies, and in some nations' air force, air and space forces, marines or naval infantry. In some usages, the term "general officer" refers to a rank above colone ...
and president of the
Continental Congress The Continental Congress was a series of legislature, legislative bodies, with some executive function, for the Thirteen Colonies of British America, Great Britain in North America, and the newly declared United States before, during, and after ...
. 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 cr ...
to
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 portion ...
—including the present-day South Side and other southern neighborhoods of the
City of Pittsburgh Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the second-most populous city in Pennsylvania (after Philadelphia) and the List of United States cities by population, 67th-most populous c ...
—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