In 1841, John was with his father Jacob, but not 1851 so its assumed he married (no matching Bolton marriage).
25 July 1847, John Mather, son of Jacob a warper married Mary Ann Wilson at Didsbury, St James, Lancashire. Both were living at Withington.
In 1850, Harried's births was at Hallifax. After that the births of MATHER+WILSON ao Prescot (between Liverpool and St Helens) are another family (Henry & Betty eho married at Prescot in 1853).
In 1851, John (26, Born Bolton) and Mary Ann (25, born Stockport) were living at 5 Sawson Streey, Salford with James (3) and Harriet (9mo)
In 1871, John and Mary A Mather (45 & 44) were at 7 Herbert Street, Cheetham, Lancashire with son James (28).
In 1881, John and Mary Ann Mather (55 & 54) were still at 7 Herbert Street, Cheetham. Son James was still with them, now married to Mary (from Scotland) with 3 children.