Mrs. Florence Thayer Swain, widow of Chester O. Swain, a former vice-president and director of the Standard Oil Company of New Jersey, died yesterday in her home at 755 Park Avenue. Her age was 75.
Mrs. Swain's first husband, John Bradley Cumings, was lost in the Titanic disaster of 1912. She was married to Mr. Swain in 1921. He died in 1937.
A son, Thayer Cumings, and five grandchildren survive.