Place names in Cumbria and Lancashire

THe Irish branch of the family is said to originate in northern England in the 1600s.  There are several places called Croasdale in Lancashire (near Slaidburn) and in Cumbria.  Links are below.
Croasdale and Croasdale Beck (Cumbria)
Croasdale Brook and Croasdale Fell (Lancashire)
Croasdale House (Lancashire)