Is ainm dó Coill na Sí
Townland in Breanrisk electoral division, Killoe civil parish, Longford barony, County Longford, Ireland.
Catholic parish: Killoe (Ardagh and Clonmacnois), Clongish (Ardagh and Clonmacnois)
Names recorded in this townland across historical sources.
1848–1864
Griffith's Valuation
1901
National Census
1911
1926