John Jay Pierrepont

John Jay Pierrepont (September 2, 1849 – September 25, 1923) was a Brooklyn businessman, financier, and amateur photographer. Early life Pierrepont was born on September 2, 1849, in Rye, New York into a prominent Brooklyn family that helped found Green-Wood Cemetery. He was the second son of Henry Evelyn Pierrepont (1808–1888) and Anna Maria ( Jay) Pierrepont (1819–1902). His elder brother was Henry Evelyn Pierrepont II and his sister, Mary Pierrepont, married Rutherfurd Stuyvesant. His father, together with Jacob R. Leroy organized Union Ferry Company. Upon her death in 1880, John and his wife jointly inherited $10,000. His paternal grandparents were the merchant, farmer, landowner and land developer Hezekiah Pierrepont and Anna Maria Constable (a daughter of Anna White and William Constable of Philadelphia). His maternal grandparents were Peter Augustus Jay (eldest son of Gov. John Jay) and Mary Rutherford Clarkson (a daughter of General Matthew Clarkson). Career Pierrepont was educated at the Columbia Grammar School before attending the Brooklyn Polytechnic Institute (the predecessor to the New York University Tandon School of Engineering).