A reception was given in Hall of Springs, Saratoga Springs, for Robert Charles Wopperer and his bride, Kathleen Ann Cavanaugh, who were married at 5:30 p.m. Saturday in St. Mary Catholic Church, Ballston Spa. The bride is the daughter of Michael T. Cavanaugh of Holyoke, Mass., and the late Linda A. Cavanaugh and the bridegroom is the son of Robert A. and Sharon E. Wopperer of Snyder. The bride, a personal bankruptcy attorney, is a graduate of University of Massachusetts at Amherst and New England School of Law. The bridegroom is a graduate of Nichols School and College of the Holy Cross and is international marketing manager for Oxford Instruments Measurement Systems. They will be at home in Chicago, Ill.