Katharine Rayner

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Katharine Rayner
Katharine Ann Johnson

1944/1945 (age 73–74)
ResidenceEast Hampton, New York, US
Known forHeiress
Net worthUS$6.4 billion (April 2019)[1]
Spouse(s)Jesse Kornbluth
William P. "Billy" Rayner
Parent(s)Anne Cox Chambers
Louis G. Johnson
RelativesMargaretta Taylor (sister)
James Cox Chambers (half-brother)

Katharine Ann Johnson "Kathy" Rayner (born 1944/1945) is an American billionaire heiress.

Early life[edit]

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.[2] As of December 2016, her net worth is $7.4 billion.[1]

Personal life[edit]

She has been married twice. She married Jesse Kornbluth, a magazine writer, on May 26, 1984.[3][4] 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.[5]

Rayner lives in East Hampton, New York.[1]


  1. ^ a b c "Forbes profile: Katharine Rayner". Forbes. Forbes. Retrieved April 17, 2019.
  2. ^ Brendan Coffey (November 20, 2015). "Three Cox Billionaires Minted as Matriarch Gives Away Wealth - Bloomberg Business". Bloomberg.com. Retrieved March 1, 2016.
  3. ^ "Katharine Johnson Will Marry May 26". nytimes.com. Retrieved November 11, 2018.
  4. ^ "Miss Johnson Marries Jesse Kornbluth". nytimes.com. Retrieved November 11, 2018.
  5. ^ Sjostrom, Jan. "Painter and travel writer William Rayner dies in New York". palmbeachdailynews.com. Retrieved November 11, 2018.