 Following a long illness, Caroline Ingalls died on Easter Sunday, April 20, 1924, at the age of 84.The fictional series "The Caroline Years," an extension of the "Little House" series, by Maria D. Wilkes and Celia Wilkins, follows Caroline Quiner from her fifth year to her late teens, up to her engagement to Charles.The first title in the series is "Little House in Brookfield."