David Coates (1840-94) a successful business man bought a villa named Clonallon in East Belfast. It was later called Clonallon HouseThe Committee acceded to the application of Mrs. Margaret H. Neill for the naming of streets on the Clonallon Estate - Clonallon Gardens and Clonallon Park, and that of the Windsor Development Co., Ltd., for the naming of a thoroughfare at Andersonstown—Denewood Drive. (Improvement Committee, 8th March 1949).