Wilma Jeanne Cooper (October 25, 1928 – May 8, 2013), best known as Jeanne Cooper, was an American actress, best known for her role as Katherine Chancellor on the CBS soap opera The Young and the Restless (1973–2013). At the time of her death, she was eighth on the all-time list of longest-serving soap opera actors in the United States.
Cooper was born in Taft, California, to Albert Troy Cooper, and his wife, the former Sildeth Evelyn Moore. She was the youngest of three siblings. The family lived in Kern County for several years, first in Taft until 1942 and then moving to Bakersfield. Her mother died August 21, 1944, and her father died April 11, 1986.
Cooper began her career in the 1950s, appearing as a supporting player in films with stars like Maureen O'Hara, Glenn Ford, Tony Curtis, and Henry Fonda. Her first film role was as Myra in the 1953 western film, The Redhead from Wyoming. She later appeared in small roles in The Man from the Alamo, Over-Exposed, 5 Steps to Danger, Rock All Night, House of Women, 13 West Street, The Intruder, Black Zoo, The Glory Guys, Tony Rome, The Boston Strangler and Kansas City Bomber.