KillincooleKillincoole is a Civil [parishes in Ireland|civil parish] in County Louth, Ireland. It consists of three townlands: Allardstown, to the north Killincoole, to the south Rathneety, to the westIt is about 4 miles south of Lurgan-Green on the road from Ardee to Dundalk. In 1839 it had a population of 770.Killincoole CastleThe castle stands on private land, part of a farm. It is a four-storey tower which has a vaulted basement and two D-shaped turrets. A staircase is located in the turret beside the east facing entrance.