Caroline Astor was a prominent American socialite in the late 19th and early 20th centuries. Born in 1830, she was the wife of William Backhouse Astor Jr., a wealthy real estate mogul. Caroline became known for her lavish parties and her role in establishing the social elite of New York City during the Gilded Age. As a member of the Astor family, one of the richest families in America, Caroline played a significant role in shaping high society. She was instrumental in the creation of the famous Astor family mansion on Fifth Avenue, which became a symbol of wealth and prestige. Caroline Astor's influence extended beyond her social gatherings, as she helped define the cultural landscape of her time.