Isherwood died in January, 1905. On the day of his funeral, the streets between his home and Tyldesley Top Chapel were lined with mourners. Deputations and officials from local pits and branches affiliated to the LCMF attended the cemetery. Isherwood was well-respected in mining communities and the union movement. A 12 feet 4 inch high monument made of Aberdeen granite weighing eight tons and costing £150 was erected to Robert Isherwood's memory in Tyldesley cemetery. The monument was unveiled by Enoch Edwards M. P., President of the Miners' Federation of Great Britain in recognition of his services to the miners of the district.
