off Camden Bay, S of Collinson Point, 28 mi. SW of Barter I., Arctic Plain.
HistoryNamed by Lieutenant Commander C. H. Stockton, U.S. Navy (USN), for Thomas Simpson, factor of the Hudson's Bay Company, who with Peter Warren Dease in 1837, made an exploring journey along the Arctic coast from the mouth of the Mackenzie River to Point Barrow.