Patrick Tracy Jackson (1780-1847), born in Newburyport, was a brother-in-law of Francis Cabot Lowell. In 1813, he agreed to move to Waltham to set up and run the Boston Manufacturing Company where he developed the Waltham System of textile production and marketing. He remained there until 1825 when he moved to Lowell. Jackson was the driving force behind the Boston and Lowell Railroad, one of the first railroads in America. Jackson Street in Lowell is named for him.