In Portrait of the Right Honorable William Brownlow, the subject is depicted in a formal pose, wearing a dark coat and a white cravat. The background is a muted, dark color that emphasizes the figure. Brownlow's expression is serious, reflecting the dignity of his status.

The use of light highlights his face and hands, drawing the viewer's attention to his features. The painting is executed in oil on canvas, a popular medium for portraiture during the late 18th century. Stuart's technique is evident in the fine details of Brownlow's clothing and the subtle gradations of color in his skin tones. The brushwork is smooth, allowing for a realistic representation of the subject.

The dimensions are approximately 76 x 63 cm, making it a sizable portrait. Gilbert Stuart, an American painter, is best known for his portraits of George Washington. This work, created in the 1790s, reflects the style and techniques of Colonial American portraiture. An interesting fact about this painting is that it captures not just the likeness of Brownlow but also the social status and character of the era.

Stuart's portraits often aimed to convey the personality and virtues of his subjects.