1901 DED	1901 Townland	1911 Townland	1911 DED	Barony	Parish	Union
Lackan	Funshinagh (Trench)	Funshinagh (Trench)	Lackan	Athlone	Tisrara	Roscommon
Lackan	Ganaveens	Ganaveens	Lackan	Athlone	Rahara	Roscommon
Lackan	Gortacarnan	Gortacarnan	Lackan	Athlone	Rahara	Roscommon
Lackan	Highbog	Highbog	Lackan	Athlone	Rahara	Roscommon
Lackan	Kilmass	Kilmass	Lackan	Athlone	Rahara	Roscommon
Lackan	Lackan	Lackan	Lackan
Lackan	Lisnagavragh	Lisnagavragh	Lackan	Athlone	Tisrara	Roscommon
Lackan	Rahara	Rahara	Lackan	Athlone	Rahara	Roscommon
Lackan	Roverkilly	Roverkilly	Lackan	Athlone	Rahara	Roscommon
Lackan	Caltragh	Caltragh	Lackan
Lackan	Carricknagat	Carricknagat	Lackan	Athlone	Tisrara	Roscommon
Lackan	Carrowkeel	Carrowkeel	Lackan
Lackan	Carrowmoney	Carrowmoney	Lackan	Athlone	Rahara	Roscommon
Lackan	Carrowntlieve	Carrowntlieve	Lackan	Athlone	Tisrara	Roscommon
Lackan	Carrownurlar	Carrownular	Lackan
Lackan	Clooneen	Clooneen	Lackan
Lackan	Correal	Correal	Lackan
Lackan	Cuillawinnia	Cuillawinnia	Lackan	Athlone	Tisrara	Roscommon
Lackan	Cuilnakeava	Cuilnakeava	Lackan	Athlone	Taghboy	Roscommon
Lackan	Curraghnaveen	Curraghnaveen	Lackan	Athlone	Rahara	Roscommon
Lackan	Funshinagh (Madden)	Funshinagh (Madden)	Lackan	Athlone	Tisrara	Roscommon