Herbert H. McMurray, 75, a retired director of sales for the Washington Gas Light Co., died of pneumonia Tuesday at his home in Boynton Beach, Fla.

Mr. McMurray joined Washington Gas Light in 1930 as a salesman. Before being named sales director in 1954, he was advertising manager and promotional sales manager. He retired in 1960.

He was born in Coldwater, Mich., and grew up in Indiana. He graduated from DePauw University in Greencastle, Ind., and was a librarian and teacher in Indiana before moving to this area.

In 1938, Mr. McMurray earned a law degree from the National University School of Law, now part of George Washington University.

Mr. McMurray was a captain in the old Army Air Force from 1942 to 1947 and a retired colonel in the Air Force Reserve. He was a life member of American Legion Post 44.

Before moving to Boynton Beach in 1975, he lived in Alexandria, where he was a member of the Andrew Jackson Lodge 120 of the Scottish Rite and a former editor of the Kena Temple publication, the Kenagram.

Mr. McMurray's first wife, the former Viola J. Abel, pre-deceased him.

Survivors include his wife, Ruth Cotting McMurray, of the home; a son, Herbert H. Jr., of Gaithersburg; a daughter, Anna Louise Bain, of Atlanta; two stepsons, Carleton Cotting, of Virginia, and Roger Cotting, of Alaska; two brothers, Leon, of Bradenton, Fla., and Fred, of California; four sisters, Hazel, also of California, Lillian Titus and Wilma McCoy, both of Fort Myers, Fla., and Ruth Sterling, of Taylorsville, Mich., and four grandchildren.