The Mariemont Preservation Foundation is a nonprofit organization dedicated to preserving the historical and architectural integrity of the village of Mariemont, Ohio. Founded in 1995, the foundation works to protect the unique character of the community, which was designed by the renowned architect Mary E. McMillan in the 1920s. The foundation engages in various activities, including educational programs, community events, and restoration projects. It collaborates with local residents and government entities to promote awareness of Mariemont's rich history and to ensure that its heritage is maintained for future generations.