In Portrait of Marie Marcotte at the Age of Sixteen Months, the young girl is depicted with soft, delicate features. The colors are warm, with gentle pastels dominating the palette. Marie's expression is curious and innocent, capturing the essence of childhood.

The background is simple, allowing the viewer to focus on her charming visage. The painting showcases Ingres' skillful use of oil on canvas, a medium that allows for rich color and detail. The brushwork is smooth and precise, highlighting the textures of Marie's clothing and hair. Ingres employs a light source that creates a subtle play of light and shadow on her face.

This technique adds depth and dimension to the portrait. Jean Auguste Dominique Ingres was a prominent figure in the Neoclassical movement, known for his portraits and historical scenes. This particular work reflects his ability to blend realism with idealism, presenting Marie in a way that emphasizes her youthful beauty. Interestingly, Ingres often painted children, capturing their innocence and charm.

This portrait is a fine example of his early work, showcasing his developing style.