Pierre Jay

Pierre Jay (May 4, 1870 – November 24, 1949) Jay grew up in Rye, New York, at the Jay Estate ancestral home of his great-great-grandfather, American Founding Father, John Jay. Among his siblings was Mary Rutherfurd Jay, one of America's earliest landscape architects.

His maternal grandparents were Dr. Alfred Charles Post and Harriet (née Beers) Post and his paternal grandparents were John Clarkson Jay and Laura (née Prime) Jay (herself the daughter of prominent banker Nathaniel Prime of Prime, Ward & King).

Jay attended and graduated in 1888 from Groton School before attending Yale University and graduating in 1892. He became a member of Skull and Bones, one of the best-known of the secret societies based at Yale University. He received an honorary A.M. from Yale in 1917. the daughter of Maj. Gen. Francis Channing Barlow and Ellen (née Shaw) Barlow, sister of Col. Robert Gould Shaw. Her father served as New York Secretary of State and the State Attorney General. Together, they were the parents of:

Ellen Jay (1898–1995), who married Lloyd K. Garrison. Anna Maricka "Nancy" Jay (1900–1982), who married Alexander Duer Harvey, the great-grandson of John Van Buren, second son of President Martin Van Buren. Frances Jay (1904–1979), who did not marry. Luiza Jay (1909–1980), who married Imre de Vegh, son of Charles de Vegh a member of the Upper Chamber of the Hungarian Parliament. She later married Lawrence W. Fox.