Addie Moore is a fictional character from the novel "Our Souls at Night" by Kent Haruf. She is a widowed woman living in the small town of Holt, Colorado. Addie seeks companionship and connection in her later years, reflecting on her life and the relationships she has formed. In the story, Addie approaches her neighbor, Louis Waters, to spend time together and share their experiences. Their conversations reveal their hopes, regrets, and the importance of human connection, highlighting themes of love and loneliness in old age.