Trien
Is ainm dó An Trian
Also known as: Threen
Townland in Coolougher electoral division, Kilkeevin civil parish, Castlereagh barony, County Roscommon, Ireland.
Catholic parish: Kilkeevin (Elphin)
1848–1864
Griffith's Valuation
1901
National Census
1911
National Census
1926
National Census