According to thepeerage, there was an Ann Savage who died in 1833 and another, née Wrentmore, born in 1814.
Ann Savage wears a pelisse bodice with flaring pleats in this Rochard portrait from about 1820.
Keywords: 1820, Rocahrd, Ann Savage, Savage family, hurluberlu coiffure, Apollo knot, scarf, off shoulder straight neckline, puffed sleeves, pelisse bodice, waist band, natural waistline