This may be Lady Elizabeth Louisa Beresford or her daughter Elizabeth Catherine Pack.
Lady Elizabeth's dress has a pleated bodice adorned with a small brooch. She wears a short, but substantial veil and a jeweled bandeau. Her coiffure suggests 1830s or 1840s more than 1850s.
Keywords: Lady Elizabeth Pack, hurluberlu coiffure, bandeau, veil, vee neckline, modesty piece, pleated bodice, brooch, wrap