1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Derreen	Adranval	Ardraval	Derreen
Derreen	Derreen	Dereen	Derreen
Derreen	Glanavaddra	Glanawaddra	Derreen	Trughanacmy	Ballincuslane	Tralee
Derreen	Knockdown	Knockdown	Derreen	Trughanacmy	Ballincuslane	Tralee
Derreen	Knockyeala	Knockyeala	Derreen	Trughanacmy	Ballincuslane	Tralee
Derreen	Leaha	Leaha	Derreen	Trughanacmy	Ballincuslane	Tralee
Derreen	Mullen	Mullen	Derreen	Trughanacmy	Ballincuslane	Tralee