Physician. Older brother of John Jay.

Spent the first years of the Revolutionary War in England.

Returned to America (1778). Lent money to the clothier general. New York senator (1778-82).

Captured by the British (1782). Following his release, Jay went to England, casting his patriotism into suspicion among many Americans, including John Jay.

Apparently barred from visiting France as a condition of his parole, he corresponded with Franklin regarding this state of affairs.

Born in New York City.