 Nicholls taught art from her 7th Avenue studio in New York, at the Art Students League of New York, William Merritt Chase's Shinnecock School of Art on Long Island, and in towns in the eastern United States.One of her students was Adele Williams of Richmond, Virginia.Nichols died on September 7, 1930, in Stamford, Connecticut, as the result of the osteoarthritis that had made her an invalid for the last 10 years of her life.