Sumarliði Brandsson was born in Ólafsvík in Snæfellsnessýsla on May 5, 1872. He died on May 6, 1941 in Manitoba.
Spouse: December 18, 1904 Guðfinna Haraldsdóttir b. September 8, 1885 in Snæfellsnessýsla.
Children: 1. Guðbrandur b. January 13, 1904, d. March 16, 1924 2. Haraldur b. December 1, 1908 3. Óli Kristinn b. September 17, 1911, d. July 6, 1938 4. Magnús b. March 24, 1913 5. Guðfinnur b. January 25, 1915 6. Friðjón b. September 28, 1916 7. Sesselja b. December 1, 1918 8. Ágúst b. January 4, 1921 9. H. Guðbrandur b. October 10, 1926.
They came west to Manitoba in 1911 and first lived in Winnipeg for two years, then they took land near Reykjavík on the northern side of Lake Manitoba. In 1924 they sold their land and settled in Wapah south of Reykjavík. Sumarlidi farmed there but also fished.