When Eunice Chapin was born on 22 February 1769, in Springfield, Massachusetts Bay Colony, British Colonial America, her father, Elisha Chapin, was 25 and her mother, Eunice Jones, was 24. She married Charles Ferre on 17 December 1790, in Springfield, Hampden, Massachusetts, United States. They were the parents of at least 2 sons and 3 daughters. She died in 1840, in Syracuse, Onondaga, New York, United States, at the age of 71.