Ernest James Reid Jr., 61, an Oxon Hill businessman and civic leader, died of a coronary occlusion Wednesday at his home in Oxon Hill.

He was president of E. J. Read and Sons Inc., fuel oil distributors with plant and offices in Oxon Hill.

Mr. Read had joined his father, the late Ernest J. Read, and a brother, Robert C., in operating the company before World War II, and became president upon the death of his father in 1956.

He also was on the governing board of the United Bank and Trust Co. of Maryland.

Mr. Read was born in Washington and graduated from Eastern High School. He served in the Navy as a chief petty officer in the South Pacific in World War II.

He was president of the Anacostia Lions Club, a director of the German Orphan Home in Upper Marlboro and a trustee of the Greater Southeast Community Hospital.

Mr. Read had been a director of the former Eastern Branch of the YMCA.

He was a member of the Kenna Main Post of the American Legion, the Scott-Johnson-Collins Post of the Veterans of Foreign Wars and the Anacostia Lodge of the Masons.

He is survived by his wife, Elizabeth of Oxon Hill; a son, Ernest James III, of Greensboro, N.C.; a daughter, Mrs. Conran A. Hay of Boalsburg, Pa.; two brothers, Charles A., of Upper Montclair, N.J., and Robert C., of Oxon Hill, and three sisters, Mrs. Alfred White of Rockville, Jeanne Read of Silesia, Md., and Mrs. Robert C. Zeitinger of St. Louis.