6) Marilyn Monroe ($17 million)

Died: August 5, 1962, Age: 36, Cause: Overdose

Marilyn Monroe was one of the most popular sex symbols of the 1950s. She died of barbiturates overdose on August 5 1962. She continues to be an international icon more than five decades after her death. Authentic Brand Group bought the rights to her brand in 2011. Marilyn Monroe’s name continues to make money decades after her death.