1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
		Ballybrittastown	Ballybrittas
Ballybrittas	Ballyshaneduff or the Derries (Portion)
Ballybrittas	Tullahan (Portion)
Ballybrittas	Ballybrittas	Ballybrittas	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Ballyshaneduff or the Derries	Ballyshaneduff or The Derries	Ballybrittas
Ballybrittas	Doolough	Doolough	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Garryvacum	Garryvacum	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Kilbride	Kilbride	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Lough	Lough	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Rathleash	Rathleash	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Rathmiles	Rathmiles	Ballybrittas	Portnahinch	Lea	Mountmellick
Ballybrittas	Tullaghan	Tullaghan	Ballybrittas	Portnahinch	Lea	Mountmellick