When Ruth Fairchild was born on 12 January 1717, in Bridgeport, Fairfield, Connecticut Colony, British Colonial America, her father, Alexander Fairchild, was 35 and her mother, Deborah Jackson, was 35. She married Capt Benjamin Cowles in 1738, in Stratford, Fairfield, Connecticut Colony, British Colonial America. She died on 9 May 1813, in New Milford, Litchfield, Connecticut, United States, at the age of 96, and was buried in New Milford, Litchfield, Connecticut, United States.