Þorlákur Þorfinnsson was born in Skagafjarðarsýsla on August 27, 1866. He died on November 1, 1944.
Spouse: July 8, 1891 Guðríður Guðmundsdóttir b. May 1, 1863 in Skagafjarðarsýsla.
Children: 1. Lawrence b. June 8, 1892, d. 1908 2. Mathias Adolf b. July 10, 1893, baptized by Rev. Matthías Jochumsson and bore his name 3. Theodore b. January 16, 1895 4. Snorri Maurice b. April 15, 1901 5. Hjalti Brynjólfur b. 1906.
Þorlákur came west in 1882 with his parents, Þorfinnur Jóhannesson and Elísabet Pétursdóttir, who settled in N. Dakota. Guðríður came to New Iceland in 1876 with her parents, Guðmundur Skúlason and Guðríður Guðmundsdóttir. Þorlákur and Guðríður first lived in Hensel, N. Dakota, later in Hallson, for a time in Cavalier, and lastly in Mountain.