The name on her birth certificate was Norma Jeane Mortenson but she was baptised as Norma Jeane Baker.
In 1942 at the age of 16 she married her boyfriend Jimmy Dougherty and became Norma Jeane Dougherty.
in 1946 she signed her first movie contract and began calling herself "Marilyn Monroe".
She didn't change her name legally to Marilyn Monroe until 1956.
In 1954 she married baseball great Joe DiMaggio and became Marilyn DiMaggio.
After divorcing Dimaggio in less than a year of marriaage she married playwright Arthur Miller in 1956.
She divorced Miller in 1961.
In 1962 she died, reportedly of a drug overdose.
She was the cover model on the first issue of Playboy in December, 1953.
