The original book came out in 1913, but the 1960 movie is set around 1900 – 1905, like AG´s Samantha or my own Lettie.
(In fact, I decided to make my Victorian/Edwardian character a blonde after seeing Hayley Mills in some of her period roles.)
The White Dress
The Brown Plaid Dress
The Middy Dress
The Yellow Dress
The dark middy dress
The Brown Floral Calico Dress
The official Pollyanna dolls released as tie-ins to the Hayley Mills movie wore a red gingham dress, as described in the original book. Hayley does not wear that dress in the movie.