Derreen

Is ainm dó An Doirín

Townland in Kiltormer electoral division, Kiltormer civil parish, Longford barony, County Galway, Ireland.

Catholic parish: Kiltormer (Clonfert), Clontuskert (Clonfert), Mullagh (Clonfert), Cappataggle (Clonfert)

1848–1864

Griffith's Valuation

1901

National Census

1911

National Census

1926

National Census