Edwin R. Tully, 63, a retired deputy secretary for public safety in the Maryland Department of Public Safety and Correctional Services and a former special agent in charge of the Washington field office of the FBI, died of cancer Feb. 2 at his home in Bowie.

Mr. Tully, who was born in Brooklyn, N.Y., graduated from Mount St. Mary's College in Emmitsburg, Md. He earned a law degree at Fordham University. He joined the FBI in 1941 as a clerk and was appointed a special agent in 1943. He worked at FBI headquarters in Washington and in field offices in New York, Miami, Mobile, Ala., and Baltimore. He was head of the Washington field office from 1969 until he retired in 1970.

He then joined the Maryland Department of Public Safety, where he retired last year.

Mr. Tully was a former president of the Maryland Chiefs of Police Association, chairman of the Maryland Police Training Commission, a vice president of the Safety Council of Maryland and a member of the Governor's Commission on Law Enforcement and the Administration of Justice. He also was a member of the International Association of Chiefs of Police, the Maryland Law Enforcement Officers Association and the Society of Former Special Agents of the FBI.

Survivors include his wife, the former Mildred Semon, of Bowie; a son, Stephen R., of Baltimore; three daughters, Patricia Ann Stubblefield of Chicago, Dr. Kathleen M. Tully of Baltimore, and Eileen M. Tully of Bowie; a brother, the Rev. James Tully of New York City, and seven grandchildren.