John Chester Backus (September 3, 1810 – April 8, 1884) was an American Presbyterian minister. Backus, son of Eleazer F. Backus, a retired wholesale bookseller, of Albany, N. Y., and of Elizabeth, daughter of Col. John Chester, of Wethersfield, Conn., was born in Wethersfield, September 3, 1810. He married, June 2, 1840, Letitia C. Cooper, daughter of John C. Smith, of Philadelphia, who survived him with one daughter. This article incorporates public domain material from the 1884 Yale Obituary Record.