 Howard married Ruth Evelyn Martin (1895–1980) in March, 1916, and they had children Ronald "Winkie" and Leslie Ruth "Doodie" who appeared with her father and David Niven in the film "The First of the Few, playing the rôle of nurse to David Niven’s character, and as a major contributor in the filmed biography of her father, "The Man Who Gave A Damn".His son became an actor and played the title role in the television series "Sherlock Holmes" (1954).His younger brother Arthur was also an actor, primarily in British comedies.