McWilliams is an unincorporated community in Redbank Township, Armstrong County, Pennsylvania, United States.

[1] The community is 6.9 miles (11.1 km) southeast of New Bethlehem along Pennsylvania Route 839.

A post office called McWilliams was established in 1883 and remained in operation until 1907.

This Armstrong County, Pennsylvania state location article is a stub.

You can help Wikipedia by expanding it.