Who was married to the woman known as Jackie O until his assassination in 1963?
Jackie O (disambiguation) Jackie O often refers to Jacqueline Onassis. It may also refer to:
Bess Truman Elizabeth Virginia "Bess" Truman (born Wallace; February 13, 1885 – October 18, 1982) was the wife of U.S. President Harry S. Truman and First Lady of the United States from 1945 to 1953.