Paul Cornoyer’s Christmas in Madison Square Park (circa 1910–1912) is a luminous example of American Impressionism that captures the festive spirit and urban charm of New York City during the early 20th century holiday season. Painted in oil on canvas, the scene centers around a towering, brightly lit Christmas tree in the snow-covered park, its warm glow contrasting with the cool winter evening and drawing in elegantly dressed figures and horse-drawn carriages, evoking both the novelty and nostalgia of city life at Christmas. Cornoyer’s delicate brushwork and atmospheric use of light reflect his Impressionist training and his fascination with modern urban landscapes, while the composition itself documents one of the city’s early public Christmas tree celebrations—a moment when seasonal tradition and metropolitan energy intersected in a uniquely American holiday tableau.