Harry Sherrington Bowman, 74, a retired office supply salesman and a lifelong area resident who was active in Masonic and church organizations, died of coronary artery disease May 24 at his home in Crofton, Md.

He was a customer engineer with IBM from the late 1930s until about 1950, and then a salesman for the Andrews Office Supply and Equipment Co. in Washington for 14 years before retiring in 1967.

Mr. Bowman had served on the board of directors of the Greater Southeast Community Hospital in Washington. He was a past master of both the old Joseph H. Milans Lodge No. 38 and Fort Dupont Lodge No. 52 of the Masons. He was a life member of the Washington Ship Model Society and a past treasurer of the Nautical Research Guild.

A native of Washington, he graduated from the old Central High School and the Florida Business College. He served in the Coast Guard during World War II.

Mr. Bowman was a member of Ryland Methodist Church in Washington and Community United Methodist Church in Crofton.

Survivors include his wife, the former Kathleen Gephart, of Crofton; two daughters, Ann B. Herren of Winchester, Va., and Susan B. Kayser of Dunkirk, Md., and four grandchildren.