Obituaries of residents from the District, Maryland and Northern Virginia.

Donald W. Delaney, pediatrician

Donald W. Delaney, 90, a pediatrician who spent most of his career at Children’s National Medical Center in Washington, where the eating disorders clinic was named in his honor, died July 17 at his home in Chevy Chase, Md. The cause was congestive heart failure, said a daughter-in-law, Ruth Delaney.

Dr. Delaney was born in Saranac, N.Y. He held senior leadership positions at the Children’s National Medical Center staff before retiring in 1989 and being named vice president of medical affairs emeritus. He was awarded lifetime membership in the American Hospital Association and the American Medical Association. In retirement, he took up painting and participated in art shows. He was a past art committee head at the Cosmos Club in Washington. He was also a founding member of St. Raphael’s Catholic Church in Rockville, Md., and more recently a member of the Catholic Church of the Little Flower in Bethesda, Md.

Barbara Chapman, GAO analyst

Barbara Chapman, 67, who spent 28 years as an analyst with what became the Government Accountability Office before retiring in 2013, died July 11 at a hospice in Rockville, Md. The cause was breast cancer, said her husband, Tetsuo Miyabara.

Dr. Chapman, a resident of Silver Spring, Md., was born in Sioux Falls, S.D. At the GAO, she specialized in health-care research. In 1984, she wrote and published “Streetfoods in Indonesia: Vendors in the Urban Food Supply,” a book about the underground economy in Indonesia.

Martha Mills, church member

Martha Mills, 96, a member of Grace Episcopal Church in Alexandria, Va., who spent more than 50 years as sewing chairman of the altar guild, died July 15 at her home in Alexandria. The cause was pneumonia, said a daughter, Betty Mills.

Mrs. Mills was born Martha McKecknie in Kansas City, Mo. She settled in the Washington area in 1941. She was a past president of the altar guild and the women’s group. She also taught Sunday school, operated the church’s thrift shop and volunteered with its “meals on wheels” program. She was a Cub Scout den mother and a Girl Scout cookie chairman.

Werner W. Brandt, U.S. House sergeant at arms

Werner W. Brandt, 75, a former sergeant at arms in the U.S. House of Representatives who worked as a government affairs counselor from 1995 to 2005 at the law and lobbying firm Preston Gates Ellis & Rouvelas Meeds, died July 11 at a hospital in Cincinnati. The cause was a stroke, said a daughter, Alyssa Brandt.

Mr. Brandt, a resident of Arlington, Va., was born in New York City. He spent much of his career working for Rep. Thomas S. Foley (D-Wash.) — who became speaker of the House — as an executive assistant. He was sergeant at arms from 1992 to 1995.

— From staff reports