Lyman became prosperous in the East India trade and an influential merchant in Boston, building a country estate known as the "Vale" (Lyman Estate) in Waltham, Massachusetts, where his daughter Mary and Samuel would be married.
Lyman achieved financial success through his involvement in the East India trade, becoming a prominent figure in Boston's business community. He built a grand estate called "The Vale" (Lyman Estate) in Waltham, Massachusetts, which served as the location for the marriage of his daughter Mary and Samuel.