Irving Maness, 74, a Washington lawyer since 1969 who had been a government attorney and administrator before that, died of cardiac arrest July 12 at Sibley Memorial Hospital. He lived in Bethesda.

From 1961 to 1969, Mr. Maness worked for the Small Business Administration. During those years, his posts included those of deputy administrator for procurement and technical assistance and associate administrator.

He moved to this area after World War II. From the mid-1940s to mid-1950s, he was a lawyer with the War and Justice departments, the Office of Rent Stabilization, and with the War Claims Commission-Foreign Claims Settlement Commission.

He then went to Capitol Hill. Before joining the SBA in 1961, he was counsel to the House Select Committee on Small Business and then served as chief counsel to House subcommittees dealing with government procurement and foreign trade.

Mr. Maness was a native of New York City and served with the Army in Europe during World War II. He was a graduate of the old City College of New York and earned bachelor's and master's degrees in law at St. John's University.

He served as chairman of the Federal Bar Association's small business committee and was a member of the American Bar Association. He was a member of Temple Sinai in Silver Spring and the Washington Hebrew Congregation.

Survivors include his wife, the former Ethel Snyder of Bethesda; two daughters, Roberta M. Allen of Arnold, Md., and Debra Maness of Falls Church, and three grandchildren.