Milly is a common name often used for girls. It can be a standalone name or a diminutive of names like Millicent or Camille. The name has English origins and has been popular in various cultures. In popular culture, Milly may refer to characters in books, movies, or television shows. For example, Milly is a character in the animated series Milly and Molly, which teaches children about friendship and problem-solving. The name is also associated with various real-life individuals, contributing to its widespread recognition.