John Rylands manufacturers, and about the same time they erected a new spinning mill. The Ainsworth mills, near Bolton, and other factories were subsequently acquired. Joseph and Richard retired around 1839 and the death of their father in July 1847 made John Rylands sole proprietor. The business continued to expand and in 1849 a warehouse was opened in Wood Street, London. A great fire occurred at the Manchester warehouse in 1854 but the loss, although very large, was speedily repaired. By 1864 the warehouses were seven storeys high and extended all the way along New High Street (now High Street) in Manchester:
Peter Rylands parliamentary by-election in Burnley, where he was re-elected in 1880 and 1885. When the Liberals split over the First Home Rule Bill, Rylands joined the breakaway Liberal Unionists, and was returned to the House of Commons at the 1886 general election as a Liberal Unionist. He held the seat until his death on 8 February 1887 at the age of 67. Rylands lived at Massey Hall, Thelwall which he left to the local authority for educational purposes. Rylands married twice. He had three sons by his second wife Caroline Reynolds, whom he married in 1861. His eldest son, the author