In 1883, sometime before or after her 15th birthday, Mary boarded a steamship and sailed to America, where she lived in New York with her aunt and uncle who died not long after her arrival, which left her alone in New York as a teenager. So she decided to try and survive. Work Mary was a good worker, said her former employers. She kept to herself and never talked about her past. We know that unlike most servants at this time, Mary could read, write and do sums. We don't know how she learned to cook, but she could make a really good fresh peach ice cream that would later get her into trouble. She was “extremely proud of her work” as she said on page 15 from the book “Terrible Typhoid Mary”. From later accounts, we learned that Mary Mallon worked in a children's hospital for some time. She loved kids and kids loved her. The Warrens In Oyster Bay, Mary settled into her new job as a cook for the Warren family, when one day near the end of August nine year old Margaret Warren came down with a case of Typhoid fever. no one knew how she had come down with it but they thought that it was probably from the drinking water when the fever had broken out to almost all of the family