Marianne McConnaughey Gingell, 85, a government lawyer for 37 years before retiring in 1974 after eight years on the Justice Department's Board of Immigration Appeals, died May 29 at Suburban Hospital. She had Parkinson's disease.

She began her career as a government lawyer in 1937 with the National Labor Relations Board in Chicago.

Mrs. Gingell came to Washington in 1938 to join the Justice Department's antitrust division.

She later worked in the office of the solicitor general in the Agriculture Department before returning to Justice in 1948 as a staff attorney with the Board of Immigration Appeals.

Mrs. Gingell was a recipient of the Justice Department's Sustained Performance and Special Commendation awards.

She was a member of the Chevy Chase Club, the Kenwood Garden Club and the Sierra Club.

Mrs. Gingell, who lived in Chevy Chase, was born in Missouri and reared in Minnesota. She was a 1935 graduate of the University of Minnesota and a 1937 graduate of the University of Virginia law school.

Her first husband, Robert K. McConnaughey, whom she married in 1941, died in 1966.

Survivors include her husband, Robert A. Gingell, whom she married in 1981 and who lives in Chevy Chase; four sons from her first marriage, Robert S. McConnaughey of Chevy Chase, Dr. John B. McConnaughey of Spokane, Wash., David T. McConnaughey of New York and Terry W. McConnaughey of Bethesda; a brother; and six grandchildren.