1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
		Liscoonera	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Coolmeen				Killonaghan	Ballyvaghan
Derreen	Balliny North	Balliny, North	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Balliny South	Balliny, South	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Ballyelly	Ballyelly	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Creggagh	Craggagh	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Crumlin	Crumlin	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Derreen East	Derreen, East	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Derreen West	Derreen, West	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Fanorebeg	Fanore Beg	Derreen	Burren	Killonaghan	Ballyvaghan
Derreen	Faunarooska	Faunarooska	Derreen		Rathborney	Ballyvaghan
Derreen	Knockans Mountains	Knockaunsmountain	Derreen	Burren	Killonaghan	Ballyvaghan