Location and coordinates are for the approximate centre of Irthington within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Irthington, par. and vil., Cumberland, on river Irthing, 2½ m. NW. of Brampton, 7390 ac., pop. 853; P.O.