Derrycassan

Is ainm dó Doire Chasáin

Townland in Mullanalaghta electoral division, Columbkille civil parish, Granard barony, County Longford, Ireland.

Catholic parish: Scrabby (Ardagh and Clonmacnois)

1848–1864

Griffith's Valuation

1901

National Census

1911

National Census

1926

National Census