John St. Clair

Art Historical Context

This exquisite miniature portrait of John St. Clair, painted by John Singleton Copley in 1758, measures just 1¾ by 1⅜ inches. Executed in oil on copper, the work reflects the intimate scale often favored for personal keepsakes in colonial America. Copley, then a young artist working in Boston, demonstrates remarkable precision in rendering the sitter’s features on such a small surface. Oil on copper was prized for its smooth finish and durability, allowing fine details to endure over time. As one of America’s leading colonial painters, Copley used this medium to create lifelike portraits that captured both likeness and status. The painting’s presence in the Metropolitan Museum’s American Wing highlights the vital role of portraiture in early American culture. Acquired through the Dale T. Johnson Fund in 2012, this rare early work offers visitors a glimpse into Copley’s developing mastery and the personal art objects cherished by eighteenth-century Americans.

About the Artist

John Singleton Copley · 1738–1815

John Singleton Copley (1738–1815) was the greatest American painter of the colonial era and one of the finest portraitists in the English-speaking world. Born in Boston, Massachusetts, he was largely self-taught, learning from mezzotint reproductions of European paintings and from his stepfather Peter Pelham, an engraver. By his early twenties, Copley had established himself as Boston's leading po...