William C. Branche, 65, a retired postal worker who had been active in church organizations and in the civil rights movement, died of cancer Nov. 22 at the Washington Hospital Center.

Mr. Branche participated in the 1965 march on Selma, Ala., led by the Rev. Dr. Martin Luther King Jr. He was one of the marchers jailed in Selma during that incident.

Mr. Branche was a member of the 15th Street Presbyterian Church in Washington. He served as a church elder in the mid-1960s and also had been a recorder for the church building fund.

In recent months he had worked as a volunteer with the American Cancer Society at the Washington Hospital Center.

He was a member of the Charles Datcher Lodge No. 15 of the Masons' Prince Hall Chapter.

Mr. Branche was a native of Washington and a 1932 graduate of Armstrong High School. Following World War II service with the Navy he worked briefly with the Government Printing Office. He was a mail clerk at the main Post Office in Washington for 30 years before retiring in the early 1970s.

He is survived by his wife, Frances, and three sisters, Carrie Curtis, Selena Gibson, and Anna Jones, all of Washington; a son, Dr. William C. Jr. of Bowie, and three grandchildren.