1914 This could be a girl slightly older than Pollyanna. Many still had long, uncut hair. It would not usually have been piled high (as in Gibson Girl time) but hair was usually arranged to extend around the head and come out some from the sides.
The Mystery Girl of Edwardian postcards is no longer a mystery! The beautiful little girl with the upturned nose and tight-lipped hint of a smile has a name! She also had a long life before she died in 1983 at the age of name was Grete Reinwald.