Clifton A. Ross, 61, a retired computer project planner with the General Service Administration and active for many years in American Legion affairs, died Sunday at Prince George's General Hospital after a stroke.

He had been an active member of American Legion Post 108 in Cheverly since 1946, when he was released from the Army after serving during World War II.

A former commander of the post, Mr. Ross was president of its Past Commanders Club. He also was on the board of trustees.

He had been a commander of Prince George's County American Legion and Sergeant at Arms of the Department of Maryland, American Legion. He also belonged to Forty and Eight, Voiture Locale 265 for the Southern Maryland District.

Born in Grand Glaise, Ark., Mr. Ross had been a resident of the Washington area since 1935. After World War II, he worked as a civilian for the Air Force Department and then went to the General Services Administration, where he retired in 1963.

In addition to the American Legion, he was a member of Lebanon Lodge 7 of the Masons in Washington, Prince George's Forest 139 of the Tall Cedars of Lebanon, Lanham Lodge 2025 of the Loyal Order of Moose and Cheverly United Methodist Church.

He is survived by his wife, Rose E. Reynolds Ross, of the home in Hyattsville; a daughter, Carolyn Hammel, of Chesapeake Beach, Md.: His father, Milford Ross, and a sister, Betty Ross, both of Grand Glaise, and two brothers. Raymond Ross, of Sacramento, Calif., and Curtis Ross, of Alexandria.

The family suggests that expressions of sympathy may be in the form of contributions to the Cheverly Post 108 American Baseball Team.