Smith met his third wife, Mary Rayner (1924-2015), in Bedford, England, while attending a dance put on for servicemen by the USO. They married in 1944, and eventually had four children (three sons, Lawrence, Ronald, and Maynard Jr., and a daughter, Christine).
Smith encountered his third spouse, Mary Rayner, during a USO-sponsored dance event in Bedford, England, where he was serving as part of the military. They married in 1944 and had four children together.