Þorbjörn Jónsson was born in Borgarfjarðarsýsla on March 3, 1877. He died in Seattle, Washington on April 27, 1947.
Spouse: April 5, 1920 Brynhildur S. Erlendsdóttir b. October 23, 1893 in Húnavatnssýsla, d. September 15, 1961 in Seattle.
Children: Kristín b. January 1, 1921 2. Elín Ingibjörg b. November 4, 1925 3. Jón Marvin b. 1928.
Þorbjörn studied carpentry at a young age in Reykjavík and was considered a gifted professional. He sailed to Copenhagen in 1897 to learn more, and from there went to Germany. He studied house drawing there and continued his studies, then moved to Switzerland in 1909. He came west across the ocean in 1910 and went to Winnipeg where he stayed for some time before settling in Minneapolis, Minnesota. In 1918 he lived in Seattle, which became his and Brynhildur’s future home.