Born: March 25, 1817, Chard, Somerset, England.
Died: May 21, 1886, Ealing, London, England.
Buried: Blessed Virgin Mary churchyard, Chard, Somerset, England.
Henry was the son of John Gunn and Rebecca Craige, and husband of Isabella Wills.
He was educated at Mill Hill School and the University of London and Coward College (1834–39).
He held pastorates at Basingstoke, Hampshire (1842–45); Alton, Hampshire (1845–48); Warminster (1848–70); and Sevenoaks, Kent (1873–80), and was chairman of the Wiltshire and East Somerset Congregational Union for many years.
He published various works, chiefly descriptive of the Non-Conformist Churches and their principles, including History of Nonconformity in Warminster (London: Jackson & Walford, 1853)
Besides translating some of the earlier Greek and Latin hymns for the Excelsior, edited by James Hamilton, he wrote many hymns.