Papers, 1839-1931, relating to the Naylor family and the Leighton Hall and Brynllywarch estates, comprising accounts, rent schedules, valuations and sale catalogues, together with correspondence and other material relating to the family, and in particular to their activities as high sheriffs for Montgomeryshire.

Additional papers were received in July 2021, this material mainly comprising correspondence and newspaper cuttings, which trace the history of and events within the Naylor family and the Leighton Hall estate from the mid-nineteenth century to the near present day. The material includes a memorandum book, 1848-1856, belonging to John Naylor (1813-1889) of Leighton Hall.