Earl married Minnie Emmaline Clift on 20 Oct 1914 in Woodbury County, Iowa, USA. Minnie (daughter of Samuel Burton Clift and Matilda Kochert) was born on 13 Jul 1897 in Woodbury County, Iowa, USA; died on 27 Oct 1959 in Woodbury County, Iowa, USA; was buried in Willow Cemetery, Holly Springs, Willow Township, Woodbury County, Iowa, USA. [Group Sheet] [Family Chart]

1. Edna Marie Johnston was born on 12 Aug 1916 in Hornick, Woodbury County, Iowa, USA; died on 4 Apr 2012 in Lancaster, Los Angeles County, California, USA.
2. Lloyd Earl Johnston was born on 18 May 1918 in Smithland, Woodbury County, Iowa, USA; died on 13 Apr 1984 in Sioux City, Woodbury County, Iowa, USA; was buried in Grant Cemetery, Grant Township, Monona County, Iowa, USA.
3. Walter Emery Johnston was born on 14 Mar 1920 in Smithland, Woodbury County, Iowa, USA; died on 6 Jun 1945 in Okinawa, Japan; was buried in Willow Cemetery, Holly Springs, Willow Township, Woodbury County, Iowa, USA.
4. Lily Laura Johnston was born on 7 Jun 1921 in Hornick, Woodbury County, Iowa, USA; died on 18 Feb 2006 in Moville, Woodbury County, Iowa, USA; was buried on 22 Feb 2006 in Arlington Cemetery, Arlington Township, Woodbury County, Iowa, USA.
5. Roy Frederic Johnston was born on 6 Nov 1926 in Hornick, Woodbury County, Iowa, USA; died on 24 Nov 2011 in Sioux City, Woodbury County, Iowa, USA; was buried in Willow Cemetery, Holly Springs, Willow Township, Woodbury County, Iowa, USA.
6. Mary Leota Johnston was born on 27 Dec 1928 in Smithland, Woodbury County, Iowa, USA; died on 12 Sep 1999 in Sioux City, Woodbury County, Iowa, USA; was buried in Willow Cemetery, Holly Springs, Willow Township, Woodbury County, Iowa, USA.