Oscar Samuel Daniels, 81, a former educator and retired senior citizens' counselor who had lived in Silver Spring since 1970, died of cancer Dec. 19 at Holy Cross Hospital.

Mr. Daniels, who was born in Rockville, Tex., was graduated from Arkansas Baptist College in Little Rock and was a teacher and principal in Arkansas.

He later worked as a railway mail clerk, as manager of the Oklahoma Employment Security Commission in Tulsa and as a procurement clerk at Tinker Air Force Base in Oklahoma. He was a counselor for the Senior Citizen Action Program in Oklahoma City when he retired in 1967.

Mr. Daniels was was a 33rd-degree Mason and a member of the Jonathan Davis Consistory in Washington. He also was a member of the Nineteenth Street Baptist Church here.

Survivors include his wife of 53 years, Opherita, and a daughter, Opal Daniels Owens, both of Silver Spring; a foster son, Booker T. Steele of Atwater, Calif.; a sister, Susie D. Rogers of Kansas City, Mo., and three brothers, Travis V., and Malcolm L. Daniels, both of Tulsa, and P.J. Daniels of Los Angeles.

The family suggests that expressions of sympathy be in the form of contributions to the American Cancer Society.