Tilton Davis Jr., 66, a retired education official with the Army who was active in civic affairs in Alexandria, died at Fairfax Hospital on Sept. 12 following heart surgery.

Mr. Davis was born in Lexington, Mo. He served in the Army Air Forces in the Pacific during World War II. He graduated from Central Missouri State University and earned a master's degree in adult education at the University of Chicago.

In 1951, he went to work for the Army in Chicago, where he became education adviser to the Fifth Army. In 1966, he went to Germany as director of the Army's General Educational Development Agency. In 1971, he moved here as chief of academic programs in the Office of the Adjutant General in the Army Department. He retired in 1980 and became a consultant.

Mr. Davis was president of the Sulgrave Manor Civic Association in the Mount Vernon area of Alexandria and a member of the Mount Vernon Area Council.

Survivors include his wife, the former Helen Robinson, of Alexandria; four sons, Tilton, of Laramie, Wyo., George, of Eberfing, Germany, James of Widewater, Va., and Charles, of Alexandria; one daughter, Anne Davis, of McLean; three sisters, Dorothy Van Meter, of Alma, Mo., Lucia Cope, of Lexington, and Marcia Manning, of Charleston, W. Va., and a brother, Dr. Sandford, of Lake Havasu City, Ariz