Location and coordinates are for the approximate centre of Illingworth within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Illingworth, eccl. dist. and vil., Halifax par., N. div. West-Riding Yorkshire - dist., pop. 5392; vil., 2 miles NW. of Halifax; P.O.