proper noun/so sɛ̃t ma.ʁi/
Sault Ste. Marie (a city, the seat of the Algoma District, Ontario, Canada); Sault Ste. Marie (a city, the county seat of Chippewa County, Michigan, United States)
From sault + Sainte Marie, from Middle French. From being the sault (“rapids”) on the Rivière Sainte Marie (“Saint Marys River”).