Fraser was born on September 4th , 1937 in the Sydney suburb of Balmain, New South Wales into a poor working-class family, the youngest of eight children. Her father, Kenneth Fraser, was from Embo, Scotland. She was spotted at the early age of 14 by Sydney coach Harry Gallagher swimming at the local sea baths.
Fraser won eight Olympic medals, including four gold medals, and six Commonwealth Games gold medals. She also held 39 records. The 100 metres freestyle record was hers for 15 years from 1 December 1956 to 8 January 1972.
She is the first of only three swimmers in Olympic history (Krisztina Egerszegi of Hungary and Michael Phelps of the United States being the two others) to have won individual gold medals for the same event at three successive Olympics (100 metres freestyle – 1956, 1960, 1964)
In October 1962, she became the first woman to swim 100 metres freestyle in less than one minute It was not until 1972, eight years after Fraser retired, that her 100m record of 58.9 secs was broken.
Several weeks before the 1964 Olympics, Fraser was injured in a car crash that resulted in the death of her mother Rose. Her sister and a friend were also travelling in Fraser's car when it crashed, but they survived.
In 1979, a movie called Dawn! was made about Fraser's life and career. It starred Bronwyn Mackay-Payne as Fraser. Fraser was played by Melissa Thomas in the 2003 film Swimming Upstream. Fraser herself is credited in the film as Dawn Fraser's coach. On 1 September 2015, Dawn Fraser featured on Season 7, Episode 5 of the SBS genealogy television series Who Do You Think You Are?, which traced her heritage back to South America.
According to en.wikipedia.