Allison Park, Pennsylvania
census-designated place in Allegheny County, Pennsylvania
Allison Park is a census-designated place in Allegheny County, Pennsylvania, United States. It is a suburb of Pittsburgh and is located within Hampton, McCandless, Shaler, Indiana and West Deer townships. It had a population of 21,864 at the 2020 census. The ZIP Code for Allison Park is 15101.
History
In the 18th century, Allison Park was called Talley Cavey and was part of the large Pitt Township. Talley Cavey is Irish Gaelic for "hill over the borough". Early Irish settlers named it after Tullycavy on the Ards Peninsula outside Greyabbey, County Down, now in Northern Ireland. The town started in the woods that are now along Mt. Royal Boulevard, and continued until it reached what is now the Pennsylvania Turnpike.
Demographics
2020 census
As of the 2020 census, Allison Park had a population of 21,864.
Begin with the source’s own compact description: “Allison Park, Pennsylvania” is census-designated place in Allegheny County, Pennsylvania. The dossier treats that line as a proposition to test through Allison, Park and Pennsylvania, not as a finished interpretation.
Why this record matters
The phrase “census-designated place in Allegheny County, Pennsylvania” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Maps, plans, fabric surveys and administrative records can establish how the site’s name, extent and function changed over time. The source revision retrieved here is dated Sep 7, 2026. The linked authority identifier is Q4732809. VIAF identifies the subject as 136177289. The Library of Congress control number is n91017132. Authority coordinates are 40.560, -79.960. 1 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020.
Architectural summaries often privilege surviving fabric and can understate demolished phases, contested use or displaced communities. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.
- Historic place names
- Jurisdictional context
- Routes into maps and plans
Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.
Three-step research path
- Establish the record: confirm the title “Allison Park, Pennsylvania”, its source revision and the description used here.
- Expand the search: follow Allison Park, Pennsylvania primary sources, Allison Park, Pennsylvania archive and Allison research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Allison Park, Pennsylvania”?
- Which authority defined the place, boundary or structure at the relevant date?
- What physical evidence or contemporary plan supports the description?
Search terms from this dossier
This entry incorporates text from “Allison Park, Pennsylvania” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.