1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Derrycastle	Coolbaun	Coolbaun	Derrycastle
Derrycastle	Coumbeg	Coumbeg	Derrycastle
Derrycastle	Curraghaviller	Curraghaviller	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Derry Demesne	Derry Demesne	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Derrybeg	Derrybeg	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Englishtown	Englishtown	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Grange	Grange	Derrycastle
Derrycastle	Killary	Killary	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Killary (Hayes)	Killary (Hayes)	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Killary (Smith)	Killary (Smith)	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Leagane	Leagane	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Newtown	Newtown	Derrycastle
Derrycastle	Ryninch Lower	Ryninch Lower	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Ryninch Upper	Ryninch Upper	Derrycastle	Owney and Arra	Templeachally	Nenagh
Derrycastle	Tountinna	Toutinna	Derrycastle	Owney and Arra	Templeachally	Nenagh