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:
Jane Hadley Barkley Elizabeth Jane Rucker Hadley Barkley (September 23, 1911 – September 6, 1964) was Second Lady of the United States, as the second wife of Vice President Alben W. Barkley. She was known as Jane Hadley Barkley.