He was born to Jacob Sapirstein;[1] the stein ending, Yiddish pronunciation: "SHtein", means "stone".[3]
^ abWolfgang Saxon (January 19, 2000). "Irving Stone, 90, an Innovator In the Greeting Card Industry". The New York Times. Born in Cleveland
^Congressional Record: n 109-122 pp 1963-1966 Congress - 2010 "Mr. Speaker, I rise today to honor Irving I. Stone, founder of American Greetings Corporation"