A plaque records the building of this house in 1800 by William Hannan. Lewis refers to the residence of Mr Hannan in well planted grounds. The Ordnance Field Name Book refers to Cahir Elly Cottage as the residence of William Hannan. Marked as Caherelly Cottage on the first Ordnance Survey map, this house was located close to the ruins of an old castle. Valued at £12 in the early 1850s and occupied by Michael Furnell who held it in fee. It later became the home of Michael Furnell's brother Frederick, an army surgeon. David O'Shaughnessy's interest in this house was advertised for sale in October 1853.