Walter Brown Mallorey, 83, the founder and chairman of the Mallorey Office Supply Co. in Washington and a past potentate of the Almas Temple of the Shrine, died of a heart attack Dec. 25 at his home in Washington.

Mr. Mallorey was born in Wakefield, Mass. He moved here in 1923 and worked for various office supply businesses until 1941, when he started his own firm. He was president of the company until the early 1970s, when he was succeeded in that post by his son. He remained chairman until his death.

Mr. Mallorey was a governor of the National Office Products Association, a past president of the Kiwanis Club of Northeast Washington, and a member of the Washington Board of Trade, the Washington Executives Association and the Kenwood Golf and Country Club. He was a 3rd degree Mason of the Scottish Rite and a past master of East Gate Masonic Lodge No. 34.

He was a member of the Wesley United Methodist Church and a former member of the Metropolitan United Methodist Church.

Survivors include his wife, the former Alta Chaffee, whom he married in 1926, of Washington; two children, Janet M. Crupper of Springfield, Va., and Donald L. Mallorey of Kensington; one sister, Eugenia Blind of Oneida, N.Y.; four grandchildren, and three great-grandchildren.