Dickinson, "Penman of the Revolution," was born in 1732 at Crosiadore estate, near the village of Trappe in Talbot County, MD. He was the second son of Samuel Dickinson, the prosperous farmer, and his second wife, Mary (Cadwalader) Dickinson. In 1740 the family moved to Kent County near Dover, DE., where private tutors educated the youth. In 1750 he began to study law with John Moland in Philadelphia. In 1753 Dickinson went to England to continue his studies at London's Middle Temple. Four years later, he returned to Philadelphia and became a prominent lawyer there. In 1770 he married Mary Norris, daughter of a wealthy merchant. The couple had at least one daughter.