Members of the Connecticut branch of the family moved to New York City in 1796 and engaged in trade. 纽约市这只是从康州搬过来的（生意多港口深进大船）

（Griswold Point Nathaniel Lynde Griswold and George Griswold built ships that served as privateers in the War of 1812）

Brothers Nathaniel Lynde Griswold and George Griswold founded the N.L & G. Griswold Company to import sugar and rum from the Caribbean on clipper ships.^[9] They expanded to the China Trade, capturing a large share of the 19th century tea market. It was noted that "I do not suppose that there is a country store, however insignificant, in the entire United States that has not seen a large or small package of tea marked 'N.L & G.G.' ^[10] George Griswold Jr (2sGeorge Griswold IV of Manhattan & Tuxedo Park, New York+2d) operated clipper ships to China and amassed a great fortune; setting up residence on Fifth Avenue.^[11] John Noble Alsop Griswold, brother of George Jr., was responsible for building the John N. A. Griswold House in Newport, Rhode Island.^[11]捐出罗德岛艺术馆豪宅

Emily Post Etiquette

Another member of the family, John Griswold, founded the Black X Line of packet clippers(英美快速帆船海运) that shipped supplies between the United States and Great Britain. 

Robert Harper Griswold, a man whom Herman Melville called "a man of much reading .. elegant manner and great personal beauty," greatly expanded the line and amassed his own wealth.^[12] His wealth enabled him to buy what is now the home that now houses the Florence Griswold Museum, named after his daughter.