Mary Steele (November 1678 - 26 December 1718) (née Mary Scurlock) was the second wife of Sir Richard Steele, whom she married in 1707.She was born in Carmarthen, the daughter of Jonathan Scurlock, Sheriff of Carmarthen. Being his only child, she inherited the Llangunnor estate, where Steele retired a few years before his death in 1729.The correspondence between Steele and his wife, whom he nicknamed "Prue" (because of her frugality), is famous.