R. Hartman Weller, 64, a bank teller for 25 years and retired cashier for an area food corporation, died of cancer Sunday at Georgetown University Hospital.

A lifelong resident of this area, Mr. Weller began his banking career with the old Second National Bank of Washington in 1942. He also was a teller with the old Munsey Trust Company, then worked for the Citizens Bank of Maryland from 1953 to 1967.

He joined the old capital area division of the Wometco Corporation as a cashier in 1967, and stayed on with the company after the division became part of Ogden Foods. He retired from Ogden in 1979.

Mr. Weller was a native of Washington and lived in Chevy Chase from 1941 until moving to Bethesda eight years ago. He was a graduate of Georgetown Preparatory School and Mount St. Mary's College in Emmitsburg, Md. He was a cashier with the Evening Star newspaper for three years before beginning his banking career.

He had been a member of the Rock Creek Council of the Knights of Columbus and Columbia Country Club.

Survivors include his wife, the former Ruth Johnston, of Bethesda; two sons, Richard H. Jr., also of Bethesda, and Michael H., of Miami; three daughters, Cathy Lewis of Silver Spring, Sandra Wenner of Gaithersburg, and Tracy Swope of Miami, and five grandchildren.