​RALSTON, Samuel, clergyman, b. in County Donegal, Ireland, in 1756; d. in Carroll, Pa., 25 Sept., 1851. He was educated at the University of Glasgow, came to this country in 1796, and took charge of the Presbyterian congregations of Mingo Creek and Williamsport, Pa., from 1796 until his death. Washington college, Pa., gave him the degree of D. D. in 1822. His writings are controversial for the most part, and include “The Curry-Comb” (Philadelphia, 1805); “Baptism, a Review of Alexander Campbell's and Dr. Walker's Debate” (1830); “A Brief Examination of the Prophecies of Daniel and John” (1842); “The Seven Last Plagues” (1842); and “Defence of Evangelical Psalmody” (1844).