1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Ballybay Town	Corrybrannon
Ballybay Town	Derrynaloobinagh			Cremorne	Ballybay	Castleblayney
Ballybay Town	Railway Terrace
Ballybay Town	Castleblayney Road	Castleblaney Road	Ballybary Urban
Ballybay Town	Church Street	Church Street	Ballybary Urban
Ballybay Town	Clones Road	Clones Road	Ballybary Urban
Ballybay Town	Main Street	Main Street	Ballybary Urban
Ballybay Town	Meeting House Lane	Meetinghouse Lane	Ballybary Urban
Ballybay Town	Monaghan Road	Monaghan Road	Ballybary Urban