As more people were attracted to the artistic community on the bluffs, the Clarks made additions to the Guild in 1941 and 1942, after which the Government of Canada leased the property as a base for the Women's Royal Naval Service, called HMCS Bytown II, and following the conclusion of hostilities in Europe, retained it until 1947 as Scarborough Hall, a hospital for the treatment of nervous disorders in military personnel.
