[2] St. Peter's was a large two-story Greek Revival wood frame building, with a projecting square tower topped by an octagonal cupola.

The entrance was set at the base of the tower, with flanking pilasters and a gabled pediment.

The square section of the tower had a low balustrade with urn-capped posts, with the octagonal belfry set inside.

[2] Roman Catholic services began Southbridge in 1840, serving a diversity of ethnicities drawn to jobs at the Hamilton Woolen Company mills.

[2] On December 18, 1999, the church was destroyed by a ten-year-old arsonist who had been attending catechism class.