Location and coordinates are for the approximate centre of Ponsonby within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Ponsonby, par., Cumberland, on river Calder, 2427 ac., pop. 166; contains the seat of Ponsonby Hall, 4 miles SE. of Egremont.