Walter married Henrietta Minnie Martha Caroline Etta Staack on 16 Dec 1916 in Chicago, Cook, Illinois, USA. Henrietta (daughter of Friedrich Gustav Carl Fred Fritz Staack and Katherine Schaumburg) was born on 16 Nov 1898 in Chicago, Cook, Illinois, USA; died on 31 Mar 1965 in Waukegan, Lake, Illinois, USA. [Group Sheet] [Family Chart]

1. Martha M. Johnston was born on 9 Nov 1917 in Chicago, Cook, Illinois, USA; died on 21 May 1936 in Chicago, Cook, Illinois, USA.
2. Victor Henry Johnston was born on 14 Nov 1919 in Chicago, Cook, Illinois, USA; died on 18 Mar 1943 in Chicago, Cook, Illinois, USA.
3. Walter George Jr Johnston was born on 7 Aug 1921 in Chicago, Cook, Illinois, USA; died on 28 Apr 1954 in Chicago, Cook, Illinois, USA.