Mary Poppins was one of the most iconic nannies in history. She was a magical figure who appeared in the 1964 Disney film of the same name, and was portrayed by Julie Andrews. The character was based on the book series by P.L. Travers, and she was known for her strict yet caring attitude towards the children she looked after. Mary Poppins was a NANNY, which is a person who provides childcare for families.