Kellie is a common name that can refer to various individuals. It is often used as a feminine given name and can also be a surname. The name has Irish origins and is derived from the Gaelic word "Ceallach," meaning "war" or "strife." In popular culture, Kellie may refer to notable figures such as Kellie Pickler, an American country music singer and television personality. Additionally, it can be associated with fictional characters in movies and television shows. The name is widely recognized and used in different contexts around the world.