Other Forms of the Name with authority source (if provided) in italics:
Derrew Hill
[Derroo changed to Derrew]
Cnoc a Doireadh
Derrue hill [crossed out] Local
Description:
A high hill having a Trig station on it[crossed out].
Situation:
In Oorid townland [crossed out].
Townland Information
What is a townland?:
A townland is one of the smallest land divisions in Ireland. They range in size from a few acres to thousands of acres. Many are Gaelic in origin, but some came into existence after the Norman invasion of 1169