Rachel Lindsay Rene Bush and Sidney Robyn Danae Bush (born May 25, 1970, Los Angeles) are American former child actresses, best known for their combined (alternating) role as Carrie Ingalls, in the drama series Little House on the Prairie. They are identical twin sisters, born to actor Billy "Green" Bush and Carole Kay Bush. Their older brother, Clay, is also an actor. Prior to Little House on the Prairie debuting on September 11, 1974, they starred in the made-for-television drama Sunshine (19 ...