When Nathaniel Brackett was born on 29 September 1771, in Otisfield, Cumberland, Maine, United States, his father, Anthony Brackett, was 63 and his mother, Carenhappuck Proctor, was 41. He married Elizabeth Lewis on 26 January 1793, in Portland, Cumberland, Maine, United States. They were the parents of at least 4 sons and 7 daughters. He died on 24 December 1844, in his hometown, at the age of 73, and was buried in Otisfield, Oxford, Maine, United States.