Harriot Beauclerk (née Mellon), Duchess of St Albans

William Beechey painted Harriot Mellon, Duchess of St Albans around 1817, depicting the actress who had risen from the Drury Lane stage to become the wife of the enormously wealthy banker Thomas Coutts — one of the most extraordinary social ascents of the period. After Coutts's death in 1822 she would marry the 9th Duke of St Albans, completing the trajectory from actress to duchess. Beechey's portrait documents this transitional phase in her life when she was already wealthy beyond most aristocrats but before her final elevation to the peerage. The theatrical portrait tradition he had practiced in his earlier career gives way here to a more formal, socially elevated treatment suited to her acquired position.

Beechey presents the sitter with dignified elegance, using a warm palette and careful attention to costume details. The conventional portrait format is enlivened by the confident expression and graceful pose of the subject.