William Mangnall was born in 1818 and christened on 22nd February in Westhoughton. He was the son of Thomas Mangnall (1784) and Ellen Pierpoint. He married a woman probably called Ellen Thompson in 1842. He worked mainly as a silk weaver and lived in Westhoughton all his life. In 1841 he was living in Dobb Brow, Deane - later Westhoughton - and working as a cotton weaver. In 1851 he was living in Dobb Brow, in 1861 in Balfin Fold and, in 1871, in Chapel Lane.

Sources
• 1. International Genealogical Index. William Mangnall, christened 22 Feb 1818, Westhoughton. Father: Thomas. Mother: Ellen. • 2. 1851 Census. Dobb Brow, Westhoughton. William Mangnall. Head. Age 33. Silk Weaver. Born Westhoughton. • 3. 1861 Census. Balfin Fold, Westhoughton. William Mangnall. Head. Age 43. Silk Weaver. Born Westhoughton. • 4. 1871 Census. Chapel Lane, Westhoughton. William Mangnall. Head. Age 53. Silk Weaver. Born Westhoughton. • 5. Death Registers. Mangnall, William. Sep. 1876. 8c. 177. Bolton. Age 58. • 6. 1841 Census. Dobb Brow, Deane. William Mangnall. Age 20. Cotton Weaver. Born Lancashire. • 7. Marriage Registers. Mangnall, William & Thompson, Ellen. Dec. 1842. Bolton. 21. 75.