Date of Birth: 
About Mary Klass
- Mary Klass (born 16 May 1935) is a Singaporean sprinter.
- She competed in the women's 100 metres at the 1956 Summer Olympics.
- Klass won a silver medal in the 100 metres at the 1954 Asian Games.
- Klass is a Eurasian of Dutch and Portuguese descent.
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