Nina Gore Olds, 74, daughter of a U.S. senator, mother of a famous writer, and a society figure in Washington, New York and elsewhere for many years, died Monday at the Memorial Sloan-Kettering Hospital in New York. She had suffered from cancer.

Mrs. Olds was born in Lawton, Okla., when that state was still a territory. Her father was Thomas P. Gore, one of the states first U.S. senators. She lived in Washington during part of her childhood and then again from 1925 until about 1950. She later divided her time between Cuernavaca, Mexico, and Southhampton, N.Y. She had lived in San Antonio, Texas., for about seven years before her death.

When she was 18, Mrs. Olds married Eugene L. Vidal. The marriage ended in divorce. She later married Hugh D. Auchincloss. That marriage also ended in divorce. In 1942, she married Maj. Gen. Robert Olds. He died in 1943.

Mrs. Olds survivors include a son by her first marriage, Gore Vidal, the writer, of Rome, Italy; two children by her second marriage, Thomas G. Auchincloss, of Arlington, Vt., and Nina Gore Auchincloss Straight, of Bethesda; and two stepsons of her third marriage, Robin Olds, a retired Army birgadier general, of Steamboat Springs, Colo., and Steven Olds, of Baltimore.