A biographical sketch of her can be found here.
From www.pastellists.com; a flaw on her neckband was removed with Photoshop by gogm.
This portrait shows just how casual British casual can go. Lady Fawkener's lace engageantes and shawl are the signs of elevated station in her Liotard portrait.
Keywords: 1760, Liotard, Lady Fawkener, British, straight coiffure, ribboned hat, strap, lace, shawl, vee neckline, three quarter length close sleeves, engageantes, full skirt, neck band