Nathan Tyson's patented flour drying process - 1831

Nathan Tyson (1787-1867) married George Ellicott's daughter Martha Ellicott (1795-1873) in 1815 at the Quaker Meeting house in EC.  They lived in Baltimore city and at 'Jericho' by his family mills on the Gunpowder.  He was on the Board of Directors of the B & O Railroad, and historian Scharf wrote after his death that he was "one of the ablest and most honorable merchants of Baltimore."

Martha Ellicott Tyson - Swarthmore founder, writer, Quaker elder

Martha (Ellicott) Tyson (1795-1873) was born in Ellicott’s Mills to George Ellicott, son of one of the founders, and younger sister of Elizabeth Ellicott Lea.  She married Nathan Tyson, lived in Baltimore and had a country home “Jericho” north of Baltimore by the Tyson mills. While raising a large family she became an Elder in her Quaker (Society of Friends) meeting, stressed education, women’s rights and abolition. She helped found Swarthmore College in Philadelphia, Pa. in 1860. Her many books include a genealogy of her family, The Settlement of Ellicott's Mills, and A Sketch of the Life of Benjamin Banneker.