John Rylands the John Rylands Library, of which the famous Althorp Library, purchased by her from Earl Spencer in 1892, and Lord Crawford's manuscripts, purchased by her in 1901, form part of the contents. The library was inaugurated on 6 October 1899, when Mrs Rylands received the Freedom of the City of Manchester. The first day of opening was 1 January 1900. A posthumous grant of arms to John Rylands was obtained in 1893 in which the arms of Tennant are impaled with those of Rylands. Rylands died at his home, Longford Hall, on 11 December 1888, at the age of 87.
John Rylands other benefactions he established and maintained orphanages, homes for aged gentlewomen, a home of rest for ministers of slender means, and he provided a town hall, public baths, library and a coffeehouse in the town of Stretford, where he lived. He also built an institute for the benefit of the villagers of Havenstreet on the Isle of Wight, where Rylands passed some of his later years from 1882, having built a house named Longford there after his mainland estate. His donations to the poor of Rome were so generous as to induce the king to decorate him in 1880 with