Early History of Irwin Taken from "The Diamond", a 75th anniversary publication.

 Above: The John Irwin House built in 1836 by John irwin for a relative, later became an inn and popular stagecoach stop for travelers to and from Pittsburgh.  It is located at the corner of Pennsylvania Ave. and Main St.

Right: Brush Hill House built in 1798 by Col. John Irwin.  First Mansion scale house west of the Allegheny Mountains.

  Irwin Borough

424 Main Street

Irwin, PA  15642


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