Vera Cope Weinbach, 55, chairman of the New Carrollton City Council and a supporter of many volunteer groups, died Sept. 21 at her home in New Carrollton. She had a heart ailment.

Mrs. Weinbach was elected to the council in May 1976 and was the council's vice chairman for two years before becoming council chairman in May of this year.

In addition to her political work in New Carrollton, Mrs. Weinbach had been a Girl Scout troop leader, treasurer and fund-raising chairman. She also had been treasurer of the New Carrollton Swim Club. She was a member of the Landover Christian Church and chairman of its board.

Mrs. Weinbach was a native of Elon, Ind., and was an honors graduate of the University of Evansville. During the 1950s, she worked for the American Embassy in Santiago, Chile. Later, she was a marketing executive with the Mead Johnson Corp. in Evansville, Ind. She moved to this area in 1960. She had done graduate work in economics at Georgetown University.

Survivors include her husband, William, and two daughters, Jenifer and Gretchen, all of New Carrollton; two brothers, Calvin Cope of Albany, Ky., and Blanchard B. Cope of French Lick, Ind., and two sisters Vernita Crowder of Jeffersonville, Ind., and Vivian Kearby of French Lick.