Mary Greenough's life unfolded during a transformative period in American history. The early to mid-19th century was marked by significant events such as the Industrial Revolution, which brought about profound changes in the economy and society. This era also saw the expansion of the United States, with families often moving in search of better opportunities. The Civil War loomed on the horizon, bringing with it immense social and political upheaval. Understanding this historical backdrop is crucial to appreciating the challenges and triumphs that shaped Mary's life.