Susan Weaver Baldwin, 66, of Stamford, died Nov.14. She was the wife of Gary Lewis Gepner. Born in Morristown, N.J., she was the daughter of Drs. Russel R. Baldwin and Marcella Vig Baldwin. In addition to her husband, she is survived by her daughters, Abigail May Gepner of Brooklyn, N.Y., and Dorothy Rose Gepner of Japan; her brothers, John V. Baldwin of Cernobbio, Italy, Christopher Baldwin of Belvedere, S.D., and Timothy Baldwin of Irving, Tex.; and her sisters, Rosemary Baldwin of Chicago, Ill., and Maria Sloan of Jackson Hole Wy; and many nieces and nephews.