Henry Mangnall was the son of William Mangnall (1762) and Ann Harrison, and was christened in Westhoughton on 21st December 1800. He married Mary around 1827. In 1851 he was living in King Street, Farnworth, and working as a labourer. In 1861 he was working as a bricklayer's labourer and was living in King Street. The 1861 census lists another Peter, born in Lostock in 1845; this may have been the illegitimate son of one of the older daughters.

Sources
• 1. International Genealogical Index. Henery Mangnall. Christened 21 Dec 1800, Westhoughton. Father: William. Mother: Ann Harrison. • 2. 1861 Census. King St, Farnworth. Henry Mangnall. Head. Age 60. Labourer for Bricksetter. Born Westhoughton. • 3. 1851 Census. King St, Farnworth. Henry Mangnall. Head. Age 50. Ry Labourer. Born Westhoughton.