St. Doologe's Church was built by Norse settlers in the 11th century, and the parish was one of five within the walled town. St Doologe is a corruption of Saint Olaf, king of Norway from 1015 to 1028. The church was among those destroyed in the 1649 Sack of Wexford during Cromwell's campaign. The five parishes were united for Church of Ireland purposes in 1732, with St. Doologe's an impropriate cure. In 1837, the glebe of the parish measured , occupied by "five small houses". St. Doologe's and the other parishes have remained distinct units for civil administration, though practically obsolete since the 19th century. The 1891 census, the last organised by parish, records a population of 245, living in 39 houses.