Found James W and Evelyn M Cooper on 1939 census England and Wales aged 81 and 80 respectively.
Also found christening record for Esther Tiley (mother of Harriet Cooper(Tiley) grandmother to James, Percy and Frank) for 1859, her parents being William and Esther Tiley, married in Woodchester, Gloucester 18 Feb 1851. Interestingly, William's occupation was a butcher.
More mystery!
Frances