
Be the first in the room — members see you arrive.
Join the roomJosiah Quincy IV was an American lawyer, historian, and politician. He served as mayor of Boston from December 11, 1845, to January 1, 1849, following in the footsteps of his father, Josiah Quincy III. His grandson Josiah Quincy VI, was also a mayor of Boston from 1895 to 1899.