Born Joanne Copeland, she worked as a model and Pan Am stewardess and began dating Johnny Carson in 1960. They were married in 1963 and divorced in 1972. After their divorce, Joanne moved back to her native California and worked in television. Her second marriage was to Richard Rever, whom she also divorced.
Johnny Carson died in 2005.
Joanne Carson was also close friends with writer Truman Capote, who kept a writing room at her house and died there in 1984, according to the AP. Carson will be interred next to Capote's grave at Westwood Cemetery in Los Angeles.