Madeleine Evans Estabrook, who was active in civic and educational affairs in Arlington, died of cancer April 28 at George Washington University Hospital. She was 63.

Mrs. Estabrook and her late husband, Carl G. Estabrook, received in 1975 an outstanding service award from the county school board for service to the public schools during the years their children were pupils.

Mrs. Estabrook received a B.A. from Smith College in 1934, and later attended secretarial school here. Among jobs she held was that of private secretary to President Cloyd H. Marvin of George Washington University.

She was treasurer and a member of the board of directors of the Arlington Outdoor Education Association and was president and former secretary of the Arlington County Scholarship Fund for Teachers, Inc.

Mrs. Estabrook, continued to work as a volunteer teacher's aide and to serve on advisory commissions to the county school board after her children were no longer in county schools.

She and her husband were active members of Arlingtonians for a Better County and various Parent-Teacher Associations.

Survivors include her four childrens, Carl G. Jr., of Dorchester, Mass., Joseph E., of Fairfax; David McC., of Falls Church, and Madeleine A., who is at Dartmouth College; a brother, Joseph S. Evans Jr., of Washington; a sister, Ruth Anne Evans, of Schenectady, N.Y., and four grandchildren.