Archaeological artifacts show that Simonswald was home to farmers as early as 6000 to 3000 BC. Roman settlements date back to 5th century AC, near St. Peter's Barn. Establishing settlements in Simonswald occurred first in the New Stone Age, then was left deserted for 3 thousand years (some suggest cold climate as reason) and re-discovered in the 11th century. Official record first mention dates back to 5. August 1178 when Pope Alexander III confirmed "Sigmanswald" as property of Monastery St Margarethen, Waldkirch; until the 16th century Simonswald was called Sigmanswald.
DeColange, Leo The Heart of Europe from the Rhine to the Danube (Boston, MA: Estes and Lauriat, Publishers, 1883)