I actually sort of know the answer to this question. I know that she did not die from typhoid as her name would suggest. She actually died at the age of sixty-nine from a pneumonia on November 11, 1938. The story of Mary Mallon is a sad one. She was born in Ireland in 1869 and emigrated to the United States in 1883. As was common in those days, Mary found work as a domestic. She became a cook and in 1906 was working in Oyster Bay in Long Island in the summer home of Charles Henry Warren - a wealthy financier. Within a week of her employment six of the eleven people in the household fell ill with typhoid. Typhoid is a bacterial infection that leads to high fevers, diarrhea, vomiting, coughing, abdominal pain, and fatigue. It is largely associated with poor and overcrowded areas where there is a limited availability of clean water. It can very quickly become fatal. With the much of the Warren household sick, a man named George Soper was hired to inves