|Birth Place||Southampton, New York, United States|
|Parent(s)||Anne Cox Chambers|
|Relatives||James M. Cox (grandfather) Katharine Rayner (sister) James Cox Chambers (brother)|
In 2015, Anne Cox Chambers distributed her 49% share in Cox Enterprises equally between her three children, Katharine Rayner, Margaretta Taylor, and James Cox Chambers.
She was born Margaretta Johnson, the daughter of Anne Cox Chambers, and the granddaughter of the newspaper publisher James M. Cox. As of December 2016, her net worth is $7.4 billion.