Mary Mallon

Born

September 23, 1869

Died

November 11, 1938 (aged 69)

Known as

cook

Mary Mallon, commonly known as Typhoid Mary, was an Irish-born cook who lived in the United States from a young age and is believed to have infected up to fifty-seven people with the bacteria that cause typhoid fever. The infections caused three confirmed deaths. She was the first person in the U.S. to be identified as an asymptomatic carrier of Salmonella typhi bacteria.

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