Location and coordinates are for the approximate centre of Irby within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Irby, township, Woodchurch and Thurstaston pars., Cheshire, 6½ m. SW. of Birkenhead, 842 ac., pop. 154.