1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Castlegannon	Ballytarsna	Ballytarsna	Castlegannon
Castlegannon	Castlegannon	Castlegannon	Castlegannon	Knocktopher	Derrynahinch	Thomastown
Castlegannon	Crowbally	Crawbally	Castlegannon
Castlegannon	Derrylacky	Derrylackey	Castlegannon	Knocktopher	Derrynahinch	Thomastown