Nellie O’Malley. Nellie is an original American Girl Doll. She is the best friend and an adopted sister to Samantha Parkington. Nellie stands 18 inches tall and wears her original period clothing. Nellie has been displayed behind glass in a smoke-free environment, and she has not been used for play. Nellie comes with all her accessories including her book, “Nellie’s Promise” in her original box. Her doll stand is packed separately.