She was the wife of Charles Phelps Williams (1804-1879).
Her husband commissioned several paintings from Whistler, when he was a student in Paris, in Paris including Copy after Schnetz's 'Les Adieux du consul Boëtus à sa famille' y013, Copy after Ziegler's 'La Vision de St Luc' y015, Copy after Odier's 'Episode de la retraite de Moscou' y017, Copy after a Group in Couture's 'Romains de la décadence' y018.