Massacre at Duffy's Cut: Tragedy & Conspiracy on the Pennsylvania Railroad

In June 1832, railroad contractor Philip Duffy hired fifty-seven Irish immigrant laborers to work on Pennsylvania's Philadelphia and Columbia Railroad. They were sent to a stretch of track in rural Chester County known as Duffy's Cut. Six weeks later, all of them were dead.

For more than 180 years, the railroad maintained that cholera was to blame a...