Director of the Library Company of Philadelphia. Treasurer of the Pennsylvania Hospital.
Son of Jonathan and Rachel (Brintnall) Lewis. Married Hannah Saunders (1773); several children. Quaker.
First letter in correspondence: May 3, 1784; Elaine Forman Crane, ed., The Diary of Elizabeth Drinker (3 vols., Boston, 1991), iii, 2177.