Gary Johnson Boswell, 36, a retired printing specialist at the Government Printing Office and a lifelong resident of the Washington area, died of cancer Sunday at the Veterans Administration Hospital in Washington.

Mr. Boswell was born in Arlington and grew up there and in Silver Spring, where he graduated from Montgomery Blair High School.

He began his career with the GPO in 1963 and three years later enlisted in the Army, in which he served for two years. He returned to the printing office in 1968 and remained there until his retirement last year for reasons of health.

In the course of his career, Mr. Boswell also attended classes at Prince George's Community College and was a real estate agent for the Long & Foster real estate firm.

Mr. Boswell was a member of the Franklin Technical Society, an organization of printers. He coached a Little League football team for the Clinton Boys and Girls Club in Clinton, where he lived at the time of his death, and was a member of the Bells United Methodist Church in Camp Springs.

His marriage to the former Wilhelmina Blanding ended in divorce.

Survivors include his wife, Priscilla, of Clinton; a son, Christian A., and a step-daughter, Veronica Hamlin, also of Clinton; a son by his previous marriage, Gary J. Jr., of Suitland; his mother, Mary Bray, of Largo; two brothers, Stanley L., of Santa Barbara, Calif., and Otto H., of Palmer Park, and a sister, Victoria Bray, of Trenton, N.J.