| Katharine Rayner | |
| Birth Name: | Katharine Ann Johnson |
| Birth Place: | Atlanta, Georgia, US |
| Known For: | Heiress; 16.4% stake in Cox Enterprises |
| Spouse: | Jesse Kornbluth William P. "Billy" Rayner (1929 - January 22, 2018) |
| Parents: | Anne Cox Chambers Louis G. Johnson |
| Relatives: | Margaretta Taylor (sister) James Cox Chambers (half-brother) |
Katharine Ann Johnson "Kathy" Rayner (born 1944/1945) is an American billionaire heiress.
She was born Katharine Ann Johnson to Anne Cox Chambers and Louis G. Johnson. Her maternal grandfather is James M. Cox. She has a sister Margaretta Taylor, and a half-brother James Cox Chambers, from her mother's second marriage.
In 2015, Rayner's mother Anne Cox Chambers distributed her 49% share in Cox Enterprises equally between her three children.[1] As of September 2020, her net worth is US$5.2 billion.[2]
In 2019, she donated over $5 million to the Animal Medical Center in New York City.[3]
She has been married twice. She married Jesse Kornbluth, a magazine writer, on May 26, 1984.[4] [5] They eventually divorced. Her second husband was painter and travel writer William P. "Billy" Rayner, who died on January 22, 2018, at the age of 88.[6]
Rayner lives in East Hampton, New York.[2]