Three possible death records in Bolton after 1881 census.
John Seddon Estimated Birth Year: abt 1813 Year of Registration: 1885 Quarter of Registration: Apr-May-Jun Age at Death: 72 District: Bolton County: Greater Manchester, Lancashire Volume: 8c Page: 202
The above most likely since 1891 census boarder, b Blackrod not a match, since also in 1881 census.
Ann Seddon Estimated Birth Year: abt 1809 Year of Registration: 1886 Quarter of Registration: Apr-May-Jun Age at Death: 77 District: Bolton County: Greater Manchester, Lancashire Volume: 8c Page: 272 (click to see others on page)