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THE HISTORICAL
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“Bite-Size Bits of Local, National, and Global History”
Kennett Square in Chester County, Pennsylvania — The American Northeast (Mid-Atlantic)
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Isaac D. Johnson

1827-1911

 
 
Isaac D. Johnson Marker image. Click for full size.
Photographed by Carl Gordon Moore Jr., January 28, 2023
1. Isaac D. Johnson Marker
Inscription.
Mechanic, inventor, author & physician

Johnson, with assistance from Ester Hayes, rendered aid to an injured freedom seeker at the home of black abolitionist, James H. Walker. The man settled in Boston under the named Johnson Hayes Walker.
 
Topics. This historical marker is listed in this topic list: Abolition & Underground RR.
 
Location. Marker has been permanently removed. It was located near 39° 50.836′ N, 75° 42.745′ W. Marker was in Kennett Square, Pennsylvania, in Chester County. It was at the intersection of North Union Street (Pennsylvania Route 82) and West Linden Street, on the right when traveling south on North Union Street. Touch for map. Marker was at or near this postal address: 120 N Union Street, Kennett Square PA 19348, United States of America.

We have been informed that this marker is no longer there and will not be replaced. This page is an archival view of what was.

Regionally, this marker was in Southeast Pennsylvania and in Greater Philadelphia. It was also in the American Northeast and in the Mid-Atlantic. Globally, it was in North America,
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the Western Hemisphere, the Western World, and the Anglosphere. Historically, it found itself in what was once the Haudenosaunee (Iroquois) Confederacy, New Netherland, and one of the original Thirteen Colonies.

Other nearby markers. At least 8 other markers are within walking distance of this location: Crown Forces Encampment (a few steps from this marker); Borough of Kennett Square (about 300 feet away, measured in a direct line); Wm. W. Fahey Post No. 491 (approx. 0.3 miles away); Kennett Square (approx. 0.4 miles away); State Fencibles of Philadelphia Campsite (approx. 0.4 miles away); The Manor of Steyning (approx. 0.8 miles away); Herb Pennock Park - A History (approx. 0.8 miles away); Historic Homestead (approx. 0.9 miles away). Touch for a list and map of all markers in Kennett Square.
 
Isaac D. Johnson Marker image. Click for full size.
Photographed by Carl Gordon Moore Jr., January 28, 2023
2. Isaac D. Johnson Marker
The additional, nearby tablet reads:
Dr. Isaac D. Johnson House
1901
National Historic District
 
 
Credits. This page was last revised on July 9, 2024. It was originally submitted on February 5, 2023, by Carl Gordon Moore Jr. of North East, Maryland. This page has been viewed 403 times since then and 37 times this year. Photos:   1. submitted on February 5, 2023, by Carl Gordon Moore Jr. of North East, Maryland.   2. submitted on February 6, 2023, by Carl Gordon Moore Jr. of North East, Maryland. • J. Makali Bruton was the editor who published this page.
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Aug. 3, 2026