December 19, 1789, County Limerick, Ireland.
Son of John Crossley Seymour, Vicar of Cahirelly, diocese of Cashel, Seymour was a descendant of Sir Henry Seymour, brother of Jane Seymour, third wife of Henry VIII. He spent much time in literary pursuits from an early age. He edited a new edition of Dr. Gillies’ Life of Whitefield, and wrote a
Memoir, which was prefixed to the Reliques of Ancient Irish Poetry, by Miss Charlotte Brooke, 1816. Seymour lived for some time in Naples, Italy (circa 1839–47), then at Bristol, England. His other works include: