HOPKINS, Erastus, clergyman, born in Hadley, Massachusetts, 7 April, 1810; died in Northampton, Massachusetts, 24 January, 1872. He was graduated at Dartmouth in 1830, studied at Andover theological seminary in 1833i and was graduated at Princeton theological seminary in 1834. He was ordained pastor of the Presbyterian church on Beach Island, South Carolina, in 1835, and of the 2d Presbyterian church in Troy, New York, in 1837-'41, and then removed to Northampton, Massachusetts, where he was for seven years president of the Connecticut river railroad company, and for many years represented that town in the legislature, being particularly active in the Free-soil and early Republican movements. He is the author of "The Family a Religious Institution" (Troy, 1840), and several political and religious articles in periodicals.--His brother, Samuel, clergyman, born in Hadley, Massachusetts, 11 April, 1807; died in Northampton, Massachusetts, 11 February, 1887, was graduated at Dartmouth in 1827, and at Andover theological seminary in 1831. He officiated successively as pastor of various Presbyterian churches, and, after retiring from active work, resided in Milton, New York, and afterward at Northampton, Massachusetts He published, besides contributions to periodicals, "The Youth of the Old Dominion" (Boston, 1857)and "History of the Puritans" (1859-'60).