Sacagawea’s last name is Lewis. She is most commonly known simply as Sacagawea, but her full name is Sacagawea Lewis. She was a Shoshone woman who is best known for her role as a guide and interpreter for the Lewis and Clark Expedition from 1804 to 1806.
Her contributions were invaluable as she helped the expedition navigate through unfamiliar territory, and her presence also served as a symbol of peace between the explorers and Native American tribes. Sacagawea’s life story and legacy remain significant in American history, reflecting the essential role of Indigenous women in early American exploration.