A biographical sketch for her can be found here. Her article in thepeerage is here.
From bbc.co; image made lighter by gogm.
Lady Mary poses in reflection wearing a pelisse or pelisse-like outer garment with flared sleeves and real lace engageantes in this Graves portrait.
Keywords: Graves, Mary Paget, Polly Paget, Countess of Sandwich, Paget family, Montagu family, Countess, Lady-in-waiting, Queen Victoria, British, straight coiffure, trapezoidal neckline, chemise, pelisse, vee décolletage, lapels, lace, three quarter length close sleeves, engageantes, necklace, wrap