The Wikipedia article for this often photographed Lady is here.
From wikitree.com/photo/jpg/Rowan-Hamilton-3; removed print and flaws in upper. edge, flaws in upper right and left corners, flaws all along the bottom edge as welll as spots with Photoshop. Also posted to her new Subalbum.
Hariot’s dress could have been worn in 1869, at least what can be seen of it.
Keywords: 1874, Hariot Georgina Rowan-Hamilton, Hariot Georgina Hamilton-Temple-Blackwood, Marchioness of Dufferin and Ava, Baroness Dufferin and Clandeboye, Lady Dufferin, Countess of Dufferin, Rowan-Hamilton family, Hamilton-Temple-Blackwood family, Marquise, British, wavy coiffure, tiara, earrings, jeweled neck band, fichu, necklace, pendant, fitted bodice, vee neckline, bows, quarter length close sleeves, contrasting cuffs, natural waistline