The Rev. Dr. Arthur Parke Roach, 68, a retired Methodist minister who was pastor of Calvary Methodist Church in Arlington for four years before retiring and moving to Farmville, Va., in 1978, died of cancer March 6 in a hospital there.

He was pastor of Crossman Methodist Church in Falls Church from 1952 to 1955, and spent two years at St. Stephen's Methodist Church in Springfield before going to Calvary Methodist in 1974.

He was a member of the Crystal City chapter of the Optimists Club.

Rev. Roach was a native of Rochester, N.Y. He was a graduate of both Randolph-Macon College and the University of Richmond, and earned a doctorate in theology at Union Theological Seminary. He was ordained in 1943. During World War II, he was a chaplain with the Federal Bureau of Prisons.

In addition to serving as minister at churches in Virginia, he preached in churches in London and Cardiff, Wales, in the 1960s.

Survivors include his wife, the former Ollie Hudgins, of Farmville; a son, Arthur H., of Washington; a daughter, Marianne Martin of Springfield; three brothers, William, of Rochester, Paul, of Los Angeles, and Donald, of Perry, N.Y.; two sisters, Marion Dickinson and Jeanne Roach, both of Rochester, and three grandchildren.