A memorial service for Ada Herd Horton, age 95, of Wellston, will be held Sunday at 2 p.m. at the McWilliams Funeral Home in Wellston with Pastor Brian Vinson and John Pelletier, CLP officiating. Calling hours will be held one hour prior to the service. Private burial will be held in the Ridgewood Cemetery. In lieu of flowers, a memorial contribution can be given to the Hope United Methodist Church in Wellston or the American Cancer Society.