V. We return now to Thomas Buchanan of Ramelton, County Donegal, fourth son of George Buchanan of Blairlusk. He had a son:
VI. [Unknown] Buchanan, who was father of
VII. John Buchanan of Ramelton, married Jane, daughter of Samuel Russell, and had a son James.
VIII. James Buchanan removed to America in 1783, and settled near Mercersburg, Franklin County, Pennsylvania, where he died in 1821. He married Elizabeth Speer, in Adams County, Pennsylvania, and had four sons and a daughter: (1) James Buchanan, fifteenth President of the United States, died s.p.; (2) William Speer Buchanan, died s.p., aged twenty-two; (3) George W. Buchanan, died s.p., aged twenty-five; (4) Rev. Edward Young Buchanan, D.D., married, and had issue; and (5) Jane Buchanan (Mrs. Lane) had issue.