75th Anniversary. Mechanicsville UMC, 7356 Atlee Road, Mechanicsville, VA 23111. September 10, 2023. Mechanicsville UMC, established on August 29, 1948, will celebrate its 75th Anniversary on September 10. All are invited to celebrate with us on this glorious occasion! Lunch and cake-cutting will follow the service. Contact: Karen Cook, [email protected] or 804-852-3229.