Jóhann Stefánsson was born on January 6, 1881 in Húnavatnssýsla. He took the name John Ousman in the west.
Spouse: Sigríður Guðjónsdóttir b. November 17, 1891, d. March 14, 1983 in Lincoln County.
Children: 1. Lillian Vivadale b. September 4, 1912 2. Donald Warren b. July 7, 1915 3. Emily Lorraine b. September 27, 1919, d. December 22, 1998 4. Kenneth b. September 17, 1921 5. Leon Waldo b. May 21, 1923 6. Richard Earl b. February 23, 1927 7. Wallace John b. November 26, 1930.
Jóhann came west in 1883 with his parents, Stefán Jónsson and Rósa Kristjánsdóttir, who settled in Lyon County in Minnesota. Sigríður was the daughter of Guðjón Jónsson and Sigríður Sigurðardóttir. Jóhann worked on the railroad and was a carpenter. They lived in Minneota.