Ruth Victoria (Lithwick) Weiss, 82, of Natick, Mass., died July 31. She was the wife of Dr. Earle B. Weiss. Born in Ottawa, Canada, she was the daughter of the late Irving and Ellen (Truk) Lithwick. In addition to her husband, she is survived by her children, Ilana, and Joshua and his wife Adina of East Longmeadow, Mass.; her granddaughters, Kayla, Aylee and Talya Weiss; her sister-in-law, Lois Sarab; her brother-in-law, Robert Cohen; and numerous cousins, nieces and nephews. She was predeceased by her brother, Dr. Norton Lithwick; her sister, Dr. Sheila Cohen; her in-laws, Murray and Ruth Weiss; and her brother-in-law, Allen Sarab.