Monreagh Presbyterian Church was the earliest congregation to be formed in County Donegal – over its main door is inscribed the year 1644. The 18th-century meeting house, on the traditional T-plan, contains many of interesting features. Across the road in the former manse is the Monreagh Heritage Centre which tells the story of the area, with a strong emphasis on the history of Presbyterianism in the region, and the links that exist between East Donegal and the wider world. Nearby in Taughboyne churchyard is a memorial to Rev. William Boyd who carried the famous petition to Boston in 1718 and who afterwards became minister of Monreagh.