Isaac Clason Delaplaine (October 27, 1817 – July 17, 1866) was a lawyer and politician who was a U.S. Representative from New York for one term during the American Civil War.
His brother John Ferris Delaplaine Jr. (1815–1885), served as secretary of the U.S. legation in Vienna from 1866 to 1883.
He received the bronze medal for second place in natural, experimental and mechanical philosophy.
[6] They were the parents of two daughters: Through his daughter Julie, he was grandfather to Julia Florence Schieffelin (1867–1963), and Matilda Constance Schieffelin (1877–1963), who married two Ismay brothers, Charles Bower Ismay and Joseph Bruce Ismay (both sons of Thomas Henry Ismay),[17][18] as well as Margaret Helen Schieffelin (1870–1949), who married sportsman Henry Graff Trevor, founder of the Shinnecock Hills Golf Club,[19] Sarah Dorothy Schieffelin (1875–1945),[20] and George Richard Delaplaine Schieffelin (1884–1950),[21] who married Louise Scribner,[22] a daughter of publisher Charles Scribner II.
[6] This article incorporates public domain material from the Biographical Directory of the United States Congress