The answer to "who was Typhoid Mary" is a bit difficult, since she was a different person from other people. Typhoid Mary Mallon was born Mary Malone on September 23, 1869, in Cookstown, a small town in Northern Ireland. people want to know about the story of Typhoid Mary. In 1906, typhoid Mary Mallon, who was just "Mary Mallon", found employment as a cook with Charles Henry Warren, a wealthy banker.