Mavis Scott Robertson, 69, a retired production editor with McCall's Publishing in Washington who was active in Republican Party organizations in Virginia, died June 24 in the Royal Haven nursing home in Front Royal. She had cancer.

Mrs. Robertson began her editing career with McGraw-Hill Publishers in New York City in 1946. She moved to this area in 1954 and joined McCall's in Washington a year later. She retired in the early 1970s.

She served on the Fauquier County Republican Committee from the mid-1960s until 1980. She was a past president of the Piedmont Republican Women's Club and a district representative on the Virginia Federation of Republican Women's Clubs. She was a Republican candidate for the Fauquier County Board of Supervisors in the mid-1960s.

Since 1954, Mrs. Robertson had lived in Delaplane, Va., where she was a member of the Emmanuel Episcopal Church.

Mrs. Robertson was born in the Philippines. Her father, James Scott, was a businessman in Manila and was a veteran of the Spanish-American War. Mrs. Robertson and her parents spent much of World War II in a Japanese prison camp in the Philippines.

She was a life member of the Warren County Valley Ladies Chapter of the Izaak Walton League.

Survivors include her husband, Bolling Lynn Robertson Jr., and a stepson, Bolling Lynn III, both of Delaplane; a brother, Edward F. Scott of Anaheim, Calif., and a sister, Hazel Eugster of Jackson Heights, N.Y.

The family suggests that expressions of sympathy be in the form of contributions to Emmanuel Episcopal Church, Delaplane, Va., 22025.