April 23 , 1996 ) was a British author, born Helen Lyndon Goff in Maryborough, Queensland, Australia, most famous as the creator of the " Mary Poppins " series of stories. See also : Mary Poppins (1964 film) Contents 1 Sourced 1.1 Mary Poppins (1934) 1.2 Mary Poppins Opens the Door (1943) 2