St. Mary’s Church Wolfhill is a large structure built with local stone. It is said to have been built over a period of seven years, mostly summer work. Fr. Fenlon P.P. donated most of the cost of the original building.
The Grace family of Gracefield House donated the roof. In 1979-1980, renovations took place under architect Mr. Michael Crowe. The builder was Mr. Michael Regan. The cost of the work to renovate St. Mary’s Church Wolfhill was €110,000. The interior stone walls were pointed in 1964 by Andy Morrin and cost €3,034. The stained glass window over the altar was destroyed in the Big Wind of 1903. The present window was installed in that year and was gift of Fr. James parkinson, P.P. (1900-1920). Nearby is a plaque erected by the Wolfhill ’98 committee starting that the area of Slatt Lower was where Fr. John Murphy and Wexford Rebels camped in June 1798. This was the furthest that this group had traveled, and failing to find support in the midlands they headed back towards Wexford.