Catherine Hutton was born in Birmingham, England, the daughter of William Hutton, an historian, and his wife Sarah Cock. She never married, and was her father's companion until his death in 1815. She was a prolific letter writer and corresponded with Charles Dickens, Edward Bulwer-Lytton, and Charles Hutton, her cousin, among many others. Some of her 2,000-3,000 letters were published after her death as Reminiscences of a Gentlewoman of the Last Century (1891), by her cousin Catherine Hutton Beale. She wrote a number of novels, including The Miser Married (1813), The Welsh Mountaineer (1817) and Oakwood Hall (1819). She also wrote a history of the Queens of England from the time of the Norman conquest, and numerous pieces of journalism. She was a friend of scientist Joseph Priestley and of novelist Robert Bage, about whom she published a memoir.