Katharine Ann Johnson "Kathy" Rayner (born 1944/1945) is an American billionaire heiress.
She has a sister Margaretta Taylor, and a half-brother James Cox Chambers, from her mother's second marriage.
[2] In 2019, she donated over $5 million to the Animal Medical Center in New York City.
She married Jesse Kornbluth, a magazine writer, on May 26, 1984.
Her second husband was painter and travel writer William P. "Billy" Rayner, who died on January 22, 2018, at the age of 88.