William Cavendish, Marquess of Hartington, Later fourth Duke of Devonshire

The portrait of William Cavendish, Marquess of Hartington, later Fourth Duke of Devonshire, painted in 1741 and now in the Yale Center for British Art, depicts one of the leading Whig political figures of Georgian England. The Cavendish family were among the most powerful Whig grandees, and the future Duke would serve briefly as Prime Minister in 1756 to 1757. Hogarth's portraits of the British elite reveal his complex relationship with the aristocracy he both served and satirized: he accepted portrait commissions from the great Whig families while simultaneously mocking aristocratic pretension and foreign taste in his satirical prints. This tension is visible in the Hartington portrait, which presents the sitter with the social dignity the commission required while maintaining the psychological directness and formal independence that distinguished Hogarth from more conventional portrait painters. Hogarth's oil technique combined firm linear clarity with warm, painterly handling of flesh tones developed through his extensive portrait practice, and the Yale portrait demonstrates this synthesis at its most confident. The portrait belongs to the early 1740s, when Hogarth's fame was at its height following the success of Marriage A-la-Mode and his earlier moral series.

The portrait demonstrates Hogarth's ability to render aristocratic subjects with both dignity and psychological acuity, revealing character beneath the surface of social convention.