Josiah Quincy

Josiah Quincy is the name of:
 * Colonel Josiah Quincy I (1709-1784), Revolutionary War soldier
 * Josiah Quincy II (1744-1775), American lawyer
 * Josiah Quincy III (1772-1864), president of Harvard University (1829-1845), US representative (1805-1813), mayor of Boston (1823-1828)