Because Cartier arrived in the estuary on Saint Lawrence 's feast day , he named it the Gulf of Saint Lawrence .
At that time , the land along the river was inhabited by the St. Lawrence Iroquoians ; at the time of Cartier 's second voyage in 1535 .
Because Cartier arrived in the estuary on Saint Lawrence 's feast day , St. Lawrence Iroquoians named it the Gulf of Saint Lawrence .
At that time , the land along the river was inhabited by the St. Lawrence Iroquoians ; at the time of Cartier 's second voyage in 1535 .