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.
Rylands v Fletcher tort, but instead a sub-tort of nuisance. In 1860, Rylands paid contractors to build a reservoir on his land, intending that it should supply the Ainsworth Mill with water. Rylands played no active role in the construction, instead contracting out to a competent engineer. While building it, the contractors discovered a series of old coal shafts and passages under the land filled loosely with soil and debris, which joined up with Thomas Fletcher's adjoining mine. Rather than blocking these shafts up, the contractors left them. On 11 December 1860, shortly after being filled for the first time, Rylands' reservoir burst