What was American actress Jayne Mansfield's IQ?

Jayne Mansfield IQ score was 149, which is considered as a genius person and in top 0.1% of the population in the world.

Mansfield was a B student in high school and she advertised her I.Q. as 149, she spoke five languages and was a classically trained pianist and violinist, but such intellectual abilities were inconsequential to her career.

Jayne Mansfield was born on April 19, 1933, she died on June 29, 1967. She was an American film, theater, and television actress. Jayne was also a nightclub entertainer, a singer, and one of the early Playboy Playmates. She was a major Hollywood sex symbol during the 1950s and early 1960s, and one of 20th Century Fox's main sex-symbol actresses. She was also known for her well-publicized personal life and publicity stunts, such as wardrobe malfunctions.

Although Mansfield's film career was short-lived, she had several box-office successes and won a Theater World Award and a Golden Globe. She enjoyed success in the role of fictional actress Rita Marlowe, both in the 1955–1956 Broadway version and the 1957 Hollywood film version of "Will Success Spoil Rock Hunter?" Her other major movie performances were in "The Girl Can't Help It" (1956), "The Wayward Bus" (1957), and "Too Hot to Handle" (1960). In the sexploitation film "Promises! Promises!" (1963), she became the first major American actress to have a nude starring role in a Hollywood motion picture.