Joseph Van Vleck was born on 19. Nov. 1830 at High Falls, Marbletown, Ulster County, New York. He was the son of
Peter Van Vleck and
Ann Hasbrouck. Joseph Van Vleck married
Amanda Niles on 7. Dec. 1852 at New York. Joseph Van Vleck married
Melinda Niles on 30. Sep. 1886. Joseph Van Vleck died on 25. May. 1903 at Montclair, Essex County, New Jersey, at age 72. He was buried at Greenwood Cemetery, Brooklyn, Kings County, New York. First Congregational Church, Montclair for 13 years. Director and donor to YMCA. Gave Van Vleck Observatory to Wesleyan University, CT in honor of brother John. 1874 Montclair Commissioner of Roads: 1876 Town Community Chest. 1860 to Phelps, Dodge and Co., 1879 - partner.