Sam Jack Kaufman, 88, president of the D.C. Federation of Musicians Local 161-710 from 1955 until he retired in 1985, died of cancer Feb. 7 at his home at Leisure World in Silver Spring.

Mr. Kaufman was born in Rochester, N.Y. He was a musician and bandleader in New York, Chicago, Detroit and elsewhere before moving to the Washington area in 1940.

He was the conductor and then the music director at Loew’s Capitol Theater from the time he came here until 1954, when the Capitol discontinued its vaudeville programs. Mr. Kaufman became head of the musicians union the next year.

His wife, Helen Kaufman, died in 1985.

Survivors include two children, Carol Chappelear of Landover and Noel Kaufman of Burke; two grandchildren; and three great-grandchildren.