found him i think in 1851. transcribed as cruise
HO107/1897/104/19
william berratta age 56. b. morwenstow. occ. farm labourer head
susan berratta age 38. b. kilkhampton. wife
thomas cruise. age 10. b. kilkhampton. wifes son
elizabeth cruise age 8. b. ditto. wifes daughter
norah berratta age 1. b. poughill. daughter.
living at;broomhill, poughill,cornwall
so thomas's father must have died between 1843 when elizabeth was born and 1850 when norah was born