Lancashire Death indexes for the years: 1840 Surname Forename(s) Age Sub-District Registers At Reference MATHER Thomas 0 Little Bolton Bolton LB/4/25
Burial: 22 Nov 1840 St Peter, Bolton, Lancs. Thomas Mather - Son of Isaac Mather Age: 8 months Abode: Little Bolton Buried by: P R Robin Curate Register: Burials 1840 - 1842, Page 53, Entry 423 Source: LDS Film 1966471
General Notes
Mother's maiden name is recorded as Hayhurst, but I suspect this should be Fairhurst, son of Isaac and Mary.