Cluain Na Slí is the irish name for [?]. This means the [?] by the way. The way referred to is the Slí Dála which was an important route from Tara in [?] to Cashel in Tipperary and it crossed the Clodiagh river at Clonaslee. Clonaslee has a rich heritage. There were many [?] around Clonaslee, such as Brittas Castle, Castlecuffe and Ballinakill Castle. Clonaslee was part of the Barony of Tinnahinch, the ancient territory of the O'Dunne Clan. St.Manman founded two [?] in the Clonaslee area, near Kilmanman and Corrigeen graveyards.