Robert Cowell
born April 1831–April 1832
  in Willington, Northumberland
died June 1900
  in Chester-le-Street, Co. Durham

Details from Jeff Johnson (who elsewhere gives year of birth as 1843).

1900: Jeff Johnson has found a record of a Robert Cowell who died aged 55 in the June quarter (recorded in the Chester le S. district, 10a290), and the grave of a Robert Cowell who was buried in Chester-le-Street cemetery (at Ropery Lane) on 10 June 1900, aged 56.