"[1] After they left Washington, the Whitneys split their time between New York City, Lenox, Massachusetts, and Newport, Rhode Island (where they bought the former residence of William R.

[1] On October 13, 1869, Flora Payne married William Collins Whitney, a friend and Yale classmate of her brother Oliver.

His sister, Laurinda Collins "Lily" Whitney married Charles T. Barney, who became the president of the Knickerbocker Trust Company.

Together, the Whitneys had five children who lived beyond infancy: After a three-week illness, Flora died on February 5, 1893, at age 51, at her home in New York City (which had been purchased for her by her brother Oliver).

He acquired for her a residence at Fifth Avenue and 68th Street in New York City, and commissioned McKim, Mead & White to do a $3.5 million renovation of the house.

Whitney, who at the time of his death was one of the largest landowners in the eastern United States,[18] died on February 2, 1904,[19] and was also interred at Woodlawn.