When Benjamin Franklin Kidder was born on 30 January 1800, in Oxford, Worcester, Massachusetts, United States, his father, David Kidder Jr., was 31 and his mother, Sophia Fessenden, was 29. He married Eunice Read in March 1822. They were the parents of at least 4 sons and 1 daughter. He lived in Winchester, Cheshire, New Hampshire, United States for about 30 years. He died on 18 April 1897, in Fairfax, Franklin, Vermont, United States, at the age of 97.