Mr. and Mrs. Raymond Deal Molony Jr. of Beaufort announce the engagement of their daughter, Miss Bridgett Thomason Molony of Columbia, to Dr. Lee Lockwood Tupper of Columbia. The bride-elect graduated from Clemson University with a Bachelor of Arts degree in English and is employed at United Way of the Midlands. The groom-elect is the son of Mr. and Mrs. James Lockwood Tupper Jr. of Columbia. He graduated from Clemson University with Bachelor and Master of Science degrees in Civil Engineering and a Doctor of Philosophy Degree in Civil Engineering. He is employed at HDR Engineering. A May wedding is planned.