Formed March 11, 1752 out of Bucks County. Named for Northamptonshire in England. Easton, county seat, was incorporated in 1789. County is noted as a leading center for the steel industry and for cement and slate production.

Marker is on South Delaware Drive (Pennsylvania Route 611) ¼ mile east of Smith Avenue, on the right when traveling north.

Courtesy hmdb.org

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