Julia M. Walsh, managing partner of Julia M. Walsh & Sons, has become the first woman president of the Greater Washington Board of Trade.

The trade group also chose Roger R. Blunt, chairman and chief executive officer of Blunt Enterprises and president of Tyroc Construction Corp., as president-elect for 1985.

Walsh, a financial manager and the first woman member of the American Stock Exchange, succeeds Fairfax County developer John T. Hazel Jr., of Hazel Beckhorn & Hanes. He will remain with the Board of Trade on its senior council.

Walsh has been active in the Board of Trade since 1965. She is a director of the D.C. Convention Center and the Pennsylvania Avenue Development Corp. and a member of First American Bank's advisory board. She also is a director of Esmark Inc. of Chicago and Pitney Bowes Inc. of Stamford, Conn.; a member of the Services Policy Advisory Committee to the U.S. Trade Representative, and a former director of the U.S. Chamber of Commerce.

Blunt is founder and president of Tyroc Construction Co., a Washington general contracting firm. He has been a Board of Trade member since 1977 and has headed the board's legislative and fiscal bureau. Recently, he spearheaded the Board of Trade's successful drive to change the District's workers' compensation laws. He also is the director of the Greater Washington Research Center.

Blunt is in line to become the first black president of the organization.

The other newly elected members are Luther Hodges Jr., chairman and chief executive officer, National Bank of Washington, vice president; the Rev. John P. Whalen, executive director, Consortium of Universities, secretary; Kent T. Cushenberry, director, corporate and community relations/governmental programs, IBM Corp., assistant secretary, and Harry M. Linowes, managing partner, Leopold & Linowes, treasurer. TRADE

The Distilled Spirits Council of the United States Inc. has appointed Timothy C. Dudgeon to the post of associate director of federal government relations. Dudgeon formerly was a legislative assistant to Sen. Walter D. Huddleston (D-Ky.), who is leaving the Senate when his term expires in January. The council is a trade group that represents 80 percent of the liquor manufacturers and marketers in the United States.

Mary C. Harbin has been promoted to executive vice president of the Bethesda-Chevy Chase Chamber of Commerce. She joined the chamber as administrative assistant three years ago.

John C. Middleton, director of product safety at Borax Research Corp., and Frederick J. Preiss, manager of research and development at McLaughlin Gormley King Co., have been elected to the board of the Chemical Specialties Manufacturers Association.

Virginia B. Lamp has joined the staff of the U.S. Chamber of Commerce as a labor relations attorney in the employer relations section of the business-government policy department. Lamp recently served as director of legislative affairs in the Washington office of Rep. Hal Daub (R-Neb.).

S. Meyer Barnett, chairman of the board of Reliable Stores Corp., was named "Legendary Merchant of This Generation" by the Maryland D.C. Home Furnishings Representatives Association. Barnett, who has been with Reliable Stores since 1916, was president of the company from 1957 until 1980, when he was elected chairman. Reliable Stores owns 170 furniture and jewelery stores across the United States, including The Hub Furniture Stores in Maryland, Virginia and the District. PROFESSIONAL

David F. Lambert III, a former staff assistant to retired Mississippi senator James O. Eastland, was selected executive director of the National Association of Insurance Brokers at the association's quarterly meeting last week. Lambert has been NAIB's acting executive director since June. He joined the association in 1982 as a government affairs officer and became vice president for government affairs in 1983.

The Air Line Pilots Association has named Washington lawyer Seth D. Rosen director of representation. Rosen replaces Arthur A. Brennan, who will retire Jan. 1 after 12 years with the group. In his new post, Rosen will oversee contract negotiations for 34,000 airline pilots and 47 airline companies.

The Washington chapter of the American Society of Women Accountants recently honored Andrew Barr, retired chief auditor of the Securities and Exchange Commission, at its 34th annual meeting, making him an honorary member.

Don Beyer Jr. of Don Beyer Volvo has been elected to the American International Automobile Dealers Association.