Þorsteinn Elíasson was born in Mikley on September 21, 1879.
Spouse: April 25, 1908 Jóhanna Jónína Jóhannsdóttir born in Mikley on June 20, 1889.
Children: 1. Elínborg Sigríður b. March 10, 1909 2. Jóhann Friðrik b. April 23, 1911 3. Þorsteinn Elías b. November 11, 1912 4. Normann Skarphéðinn b. October 31, 1914 5. Arnína Sigurbjörg b. June 18, 1917 6. Ingibjörg Sigurrós b. September 14, 1919 7. Grace Jóhanna b. May 1, 1921 8. Sigríður Haraldína Aurora b. October 3, 1923 9. Laura Gladys Evelyn b. October 20, 1926 10. Elínborg Sylvia Pearl b. June 11, 1929.
Þorsteinn grew up in Mikley and moved to Gimli after the turn of the century, living there until 1913. He and Jóhanna moved to Riverton and lived there until 1924. They moved to Selkirk, and then to Gimli after a few years, ending up in Winnipeg.