In Portrait of Mrs. William Preston Harrison, Robert Henri presents a woman seated elegantly, dressed in a dark gown. The background is a soft, muted color that enhances her presence.

The use of light highlights her facial features, creating a warm and inviting atmosphere. Henri's brushwork is loose yet deliberate, adding a sense of immediacy to the portrait. The painting is executed in oil on canvas, a medium that allows for rich color and texture. Henri's technique involves layering paint to build depth and dimension, particularly in the fabric of the dress and the softness of the skin.

The dimensions of the work are approximately 76 x 61 cm, making it a substantial piece for a portrait. The composition is balanced, drawing the viewer's eye directly to the subject. Robert Henri was a leading figure in the Ashcan School, known for portraying everyday life and people. This portrait reflects his interest in capturing the character and individuality of his subjects.

An interesting fact about this work is that it was created during a time when Henri was exploring the themes of modernity and the American experience. The painting showcases his ability to blend realism with a personal touch.