At the time of Griffith's Valuation occupied by Michael Mockler and held from the representatives of Matthew Hendly, the buildings were valued at £26. The Mocklers advertised the sale of their interest in July 1851 and July 1853. The sale rental records the lease of Rockville by Ferguson Hendley to the Reverend James Mockler for 3 lives in July 1841 and that £2,000 had been spent on the house. Caroline Bourke occupied a mansion house with 37 acres in the townland of Licklash in 1906. It was valued at £60. In the 1870s Michael Bourke of Lecklash owned 37 acres. This house later became a summer home of Sir Oswald Mosley. Also known as Isleclash House.