|Built c. 1450|
Tinnakill Castle, also known as Tynekill, is a ruined castle in the parish of Coolbanagher, in the Barony of Portnahinch in County Laois.
The name of the castle is from the Irish Tigh na Coille, meaning 'House of the Wood'.
- Ulster Journal of Archaeology, 1854, Vol. II, p.24
- MacDonnells of Leinster