1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Knockmahon	Ballydowane East	Ballydowane, East	Knockmahon	Decies without Drum	Ballylaneen	Kilmacthomas
Knockmahon	Ballydowane West	Ballydowane, West	Knockmahon	Decies without Drum	Ballylaneen	Kilmacthomas
Knockmahon	Ballygarran	Ballygarran	Knockmahon
Knockmahon	Ballynagigla	Ballynagigla	Knockmahon	Decies without Drum	Monksland	Kilmacthomas
Knockmahon	Ballynahilla	Ballynahila	Knockmahon	Decies without Drum	Ballylaneen	Kilmacthomas
Knockmahon	Ballynarrid	Ballynarrid	Knockmahon	Decies without Drum	Ballylaneen	Kilmacthomas
Knockmahon	Ballynasissala	Ballynasissala	Knockmahon	Decies without Drum	Monksland	Kilmacthomas
Knockmahon	Bunmahon Town situated in the townland of Templeyvrick	Bunmahon Town	Knockmahon
Knockmahon	Carrickaready	Carrickaready	Knockmahon	Decies without Drum	Monksland	Kilmacthomas
Knockmahon	Knockmahon	Knockmahon	Knockmahon	Decies without Drum	Kilbarrymeaden	Kilmacthomas
Knockmahon	Lisnageragh	Lisnageragh	Knockmahon	Decies without Drum	Ballylaneen	Kilmacthomas
Knockmahon	Tankardstown	Tankardstown	Knockmahon
Knockmahon	Templeyvrick	Templeyvrick	Knockmahon