Curtis married Helen Grace Nist on 29 Apr 1938 in Pittsburgh, Allegheny County, Pennsylvania, USA. Helen (daughter of Louis Frederick Nist and Esther Susan McAdams) was born on 27 Oct 1911 in Pittsburgh, Allegheny County, Pennsylvania, USA; died on 12 Aug 1975 in Pittsburgh, Allegheny County, Pennsylvania, USA; was buried in Jefferson Memorial Park, Pleasant Hills, Allegheny County, Pennsylvania, USA. [Group Sheet] [Family Chart]