In 1744, Thomas Mitchell, captain of a HBC ship entered the lake and named it "Sir Atwell's Lake", most likely in honour of HBC Deputy Governor Sir Atwell Lake, whose surname "Lake" became a source of confusion.
1744 fuhr Thomas Mitchell, Kapitän eines kleinen Schiffes der Hudson’s Bay Company (HBC) in die Bucht und gab ihr den Namen "Sir Atwell's Lake", höchstwahrscheinlich zu Ehren des HBC Deputy Governor Sir Atwell Lake, dessen Nachname "Lake" jedoch für Verwirrung sorgte.