1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Thomastown	Ardobireen	Ardobireen	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Athasselabbey North	Athasselabbey North	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Athasselabbey South	Athasselabbey South	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Ballymacady	Ballymacady	Thomastown	Clanwilliam	Kilfeakle	Tipperary
Thomastown	Bawnbrack	Bawnbrack	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Lisgibbon	Lisgibbon	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Rathcloheen	Rathcloheen	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Rathduff II	Rathduff I	Thomastown
Thomastown	Rathduffy I	Rathduff II	Thomastown
Thomastown	Rathgallen	Rathgallen	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Ross	Ross	Thomastown
Thomastown	Suirville	Suirville	Thomastown	Clanwilliam	Relickmurry & Athassel	Tipperary
Thomastown	Thomastown Demesne	Thomastown	Thomastown	Iffa and Offa West	Derrygrath	Clogheen
Thomastown	Thomastown Demesne North	Thomastown Demesne North	Thomastown
Thomastown	Thomastown Demesne South	Thompstown Demesne South	Thomastown	Clanwilliam	Kilfeakle	Tipperary