Sigurður Júlíus Magnússon was born in S. Þingeyjarsýsla on January 27, 1867. He died in Mountain, N. Dakota on April 14, 1940.
Spouse: November 17, 1894 Rósa Jóhannesdóttir b. December 28, 1872 in N. Þingeyjarsýsla, d. June 1, 1953 in Mountain.
Children: 1. Matthildur Emilía b. March 10, 1896 2. Helga Sigríður b. November 8, 1897 3. Magnús Sigurður b. December 25, 1898 4. Elín b. June 20, 1900 5. Þórey b. December 1, 1902 6. Hannes Sigurður b. March 23, 1904, d. February 5, 1992 7. Hallfríður (Freda) b. October 29, 1906 8. Kristbjörg Esther b. 1908 9. Kristján S. b. January 13, 1909 10. Oktavia Lára b. October 7, 1917.
Sigurður came west in 1876 with his mother, Elín Magnúsdóttir, and siblings. They first settled in New Iceland, but from there Sigurður moved in 1881 and took land in the Garðar Settlement. He moved into a new house in Mountain and continued farming. Rósa came west to N. Dakota in 1883 with her parents, Jóhannes Torfason and Helga Daníelsdóttir. They settled in Mountain in N. Dakota.