Margo Rosser, 85, of Lake Placid, died Friday, April 7, 2023, at Elderwood of Uihlein at Lake Placid. Born on March 7, 1938, in Springfield, Vermont, she was the daughter of the late Achilles Joseph and the late Ellessifean Frances (Parkhurst) Cassista. There are no services scheduled at this time. A full obituary will be published at a later date. The M. B. Clark, Inc., Funeral Home in Lake Placid is in charge of arrangements.