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Oliver is a census-designated place (CDP) in Fayette County, Pennsylvania, United States. The population was 2,535 at the 2010 census, down from 2,925 at the 2000 census. Oliver is located in North Union Township.
Its first post office opened in 1892. Its population held steady between the last two censuses: 2,535 in 2010, 2,538 in 2020.
Intro from Wikipedia. Population: U.S. Census Bureau.
From the old history books
What they wrote about Oliver in 1883
Passages that mention Oliver, cut from the printed page as they were published.
Pollock genealogy. A biographical sketch of Oliver Pollock, esq., of Carlisle, Pennsylvania, United States commercial agent at New Orleans and Havana, 1776-1784. With genealogical notes of his descendents. Also genealogical sketches of other Pollock famil1883 · page 6Read the page →
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N". E. Robinson says he was Oliver Pollock's nephew and agent at Tunica, and received 500 acres of land there for his services. In 1787-8 he was in Carlisle, possibly resident there then, as in the Carlisle Gazette of December 12, 1787, among the list of letters occurs one for " Hamilton Pollock, care of James Pollock." So also September 20, 1788. He was possibly named from Hon. James Hamilton of Carlisle, the intimate friend and legal counsel of Oliver Pollock. He is also named in the will
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Scans and text from the Internet Archive. Books published in 1930 or earlier, which are in the public domain.
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Founding dates: Wikidata, Wikipedia, the U.S. post office records of Blevins & Helbock (CC0) and the Census. Homes by year built: Census ACS 2020–24. National Register of Historic Places: National Park Service (list of May 22, 2026). Old photos, postcards and papers: Wikimedia Commons, the Library of Congress and other public archives, credited on each item’s page. Maps: U.S. Geological Survey historical topographic maps (via Esri) and Sanborn fire-insurance maps (Library of Congress). History text and census tables: Wikipedia (CC BY-SA 4.0). Places that used to be: USGS Geographic Names Information System (2021). How TownRatings grades history →
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