The Rev. Dr. Lester Bumpus, 87, executive secretary of the Pittsburgh Baptist Association for 31 years and a resident of the Washington area since 1963, died Feb. 15 at Suburban Hospital in Bethesda of complications following vascular surgery.

Dr. Bumpus, a resident of Bethesda when he first moved here, was active in the Bethesda First Baptist Church.Since 1975, he had lived in the Baptist Home of the District of Columbia.

He was born in Casey, Ill., and graduated from Shurtleff College in Alton, Ill., in 1917. During World War I, he served with the Army in France and was attached to the YMCA. After the war, he briefly attended the University of Bordeaux.

He later graduated from the Rochester (N.Y.) Theological Seminary and was ordained in 1922. He was minister of various churches in New York and Pennsylvania until 1932, when he was named executive secretary of the Pittsburgh Baptist Association. During his years there, Dr. Bumpus earned master's and doctoral degrees in sociology at the University of Pittsburgh.

His wife of 59 years, Cora Draper Bumpus, died in 1978.

Survivors include three daughters, Mrs. Howard J. Gross of Bethesda, Mrs. Jess C. Marshall of Wellsboro, Pa., and Dorothea Bumpus of Rockville, and five grandchildren.

The family suggests that expressions of sympathy be in the form of contributions to the Bethesda First Baptist Church, 5033 Wilson La., Bethesda.