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Founded in 1936, the Society is the oldest community organization on the Upper Main Line conducting local historical research, and collecting local resources and photographs, pertaining to the townships of Tredyffrin and Easttown in eastern Chester County, Pennsylvania.

Due to concerns and restrictions related to the ongoing coronavirus pandemic, future Society meetings and events have not yet been scheduled, but we expect to continue with more online presentations this fall.


Check our Facebook Page for Special Event Listings

★   Online Presentation Videos   ★

Archives and Special Collections

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Our History Quarterly Digital Archives are available to all for viewing and searching. This valuable local history resource contains most of the issues published since 1937, and provides details and unique perspectives on many aspects of our historic community.

The following sections are curated and hosted by Mike Bertram.

Knox Bridge

Our extensive and ever-growing Image Collection online database features a searchable partial inventory of our collection of historic images.

Valley Forge Vilage 1878

The Document Collection features a growing collection of documents of historical interest, including short illustrated articles, newspaper clippings, and much more.

1798 Tredyffrin map

The Tredyffrin History Digital Archives features interactive maps and information about tax & census returns, roads, structures, currency, war reparations, and more.

1687 Easttown map

The Easttown Deed History branch of the site showcases research on the history of land ownership in Easttown Township.


The Charlestown History Digital Archives features interactive maps and information on tax & census returns, genealogy, structures, currency, war reparations, and more.

Slide Show

Current Quarterly cover

The Summer 2021 issue of the History Quarterly is now available to our membership, and also for sale to the community at our local public libraries and distributors,

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Page last updated: 2021-11-04 at 12:15 EDT
Copyright © 2006-2021 Tredyffrin Easttown Historical Society. All rights reserved.
Permission is given to make copies for personal use only.
All other uses require written permission of the Tredyffrin Easttown Historical Society.