When Bingham Cushman was born on 12 November 1842, in Bayou Chicot, Evangeline, Louisiana, United States, his father, Willard Stevens Cushman, was 36 and his mother, Eliza Bingham, was 18. He married Lucy Adella Heath on 4 February 1867, in St. Landry, Louisiana, United States. They were the parents of at least 2 sons and 3 daughters. He lived in St. Landry, Louisiana, United States in 1880 and New Orleans, Orleans, Louisiana, United States in 1900. He died on 23 March 1912, in Louisiana, United States, at the age of 69, and was buried in New Orleans, Orleans, Louisiana, United States.