Kassie is a popular name often used for girls. It is a diminutive form of the name Katherine or Kassandra. The name has various meanings, including "pure" or "unsullied," and is commonly found in English-speaking countries. In addition to being a name, Kassie can also refer to a character in various books, movies, or television shows. These characters often embody traits such as kindness, determination, and a sense of adventure, making the name relatable and appealing to many.