KILLILANE, or ST-HELENS, a parish, in the barony of FORTH, county of WEXFORD, and province of LEINSTER, 10 miles (S. E.) from Wexford, and near the southern extremity of the bay of Rosslare; containing 144 inhabitants. This parish, which for civil purposes forms part of Kilrane, comprises only 636 statute acres as applotted under the tithe act, and is chiefly in tillage; sea-weed is used as manure. It is a rectory, in the diocese of Ferns, forming part of the union of Tacumshane, and the corps of the chancellorship: the tithes amount to £49. 3. 10f. In the R. C. divisions it is part of the union or district of Tagat, or Kilrane.