Marguerite Jones Harbert (born 1924) is an American billionaire from the U.S. state of Alabama, with an estimated net worth of $1.1 billion as of 2004. She inherited her wealth from her husband, John Murdoch Harbert III, who died in 1995.
John Murdoch Harbert III made his fortune through various construction projects: high-risk projects: pipeline in South America, water supply in Abu Dhabi. Bought Kentucky, Tennessee coal reserves, sold to Amoco for stock during 1970s energy crisis.
Widowed , 3 children. Education: Birmingham-Southern College, Bachelor of Arts / Science.
$1.4 billion as of 2005.