Dawson Grove, later known as Dartrey House, is marked on the 1st edition 6 inch Ordnance Survey Map (1836). It was built about 1770. Lewis refers to it as a ‘noble mansion’. In 1846, the 3rd Lord Cremorne/1st Earl of Dartrey replaced this house with a large Elizabethan-Revival mansion designed by William Burn. A fire in 1856 destroyed part of the house. At the time of Griffith’s Valuation, circa 1860, the buildings were valued at £105 and still valued at the same in 1906. The family honours became extinct in 1933 following the death of the 3rd Earl and the house was demolished in 1946.
