Ole married Irene Victoria Irvin on 10 May 1902 in De Smet, Kingsbury, South Dakota. Irene (daughter of George W. Irvin and Catherine Janet Montgomery) was born on 23 Sep 1880 in Prairieville, Brown, Minnesota, USA; died on 8 Apr 1965 in Estelline, Hamlin, South Dakota. [Group Sheet] [Family Chart]

1. Bernice Olive Johnson was born on 18 Feb 1903 in , Kingsbury, South Dakota; died on 12 Mar 1903 in , Kingsbury, South Dakota.
2. Nina Myrtle Johnson was born on 21 Mar 1904 in , Kingsbury, South Dakota.
3. Guy Irwin Johnson was born on 5 Jul 1906 in , Kingsbury, South Dakota; died on 29 Oct 1958 in Estelline, Hamlin, South Dakota.
4. Leon Howard Johnson was born on 25 Oct 1908 in , Kingsbury, South Dakota.
5. Oren Victor Johnson was born on 28 Sep 1910 in , Perkins, South Dakota; died on 13 Jul 1973 in Laramie, Albany, Wyoming, USA.
6. Living
7. Living
8. Living
9. Living
10. Living
11. Living