John Rylands "they had become the summit of the firm's hierarchical organization, the seat of its central power and the goal of all ambitious employees" (D. A. Farnie, in "John Rylands of Manchester", 1973). In 1873, Rylands converted his business into a limited company but he retained sole management of it. The extra capital from this move led to the purchase of more mills and the company entered into fresh business in many quarters of the globe. The firm, which had a capital of £2 million, became the largest textile manufacturing concern in the UK. His business made him Manchester's first multi-millionaire.
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