Norma Covington Potter, 89, who did administrative and accounting work at her family’s Silver Spring car dealership for six decades, died Jan. 9 at Shady Grove Adventist Hospital in Rockville.

She had respiratory failure, said her son, Barry T. Covington.

Mrs. Potter worked from the mid-1940s until 2007 in the business office of the Covington dealership run by her first husband and later by her son. Over the years, the dealership sold Packard, Edsel, Buick, Pontiac and GMC vehicles.

Norma Caroline Boback was born in Chisholm, Minn., and graduated before World War II from what is now Hibbing Community College. During the war, she served in the Navy Waves and worked in Washington in the Navy personnel office. She subsequently settled in Bethesda.

For her family and friends, she wrote a 350-page memoir detailing her childhood in a Minnesota mining community and her experiences during the Depression and as a working mother in the 1950s.

She also wrote about a return trip to Normandy with her first husband, an Army Air Forces flier who had been shot down during World War II and rescued by the French underground.

Mrs. Potter played the piano and organ and belonged to a local music performance group. She also belonged to the Congressional Country Club in Bethesda.

Her husband of 34 years, Art Covington, died in 1980. Her husband of 24 years, Robert B. Potter, died in 2008.

Survivors include two children from her first marriage, Barry T. Covington of Potomac and Bonnie C. Cochran of Fort Collins, Colo.; a stepson, Ronnie Potter of Coral Gables, Fla.; eight grandchildren; and six great-grandchildren.

— Emily Langer