Funeral services for prominent Maryland steeplechase and flat trainer Thomas H. Voss will be held at 10 a.m. Monday, Jan. 27, at St. James Episcopal Church (My Lady’s Manor), 3100 Monkton Road, Monkton, Md. Interment will be in the church cemetery. In lieu of flowers, the family suggests donations to the Thoroughbred Retirement Foundation, P.O. Box 834, Saratoga Springs , N.Y. 12866.