I can't thank you all enough for your suggestions, FamilySearch.org : WILLIAM HENRY HEALE b' 26th Apr' 1832 in Saint Mary Magdalene,Woolich,Kent and Christening 13th May 1832,St Mary Magdalene,Woolich,Kent,England.
1841 Census there living with the Underhays in Stoke Damerel,Devonport and lists family as all born in County,which is wrong as his Sister,Mother and Grandmother are Cornish his Father b 1799 in Ugborough,Devon.Between the 1841 Census and 1851 census his Father William H Heale had gone from being a Sergeant in the North Devon Malitia to a Greenwich Pensioner.
1851 C' Barnstaple:
William Heale 51 Greenwich Pensioner born in Ugborough Devon.
Ruth " 42 Wife " in Wllcove Cornwall.
William H " 18 Son Cabinet Maker App' born in Woolich Kent.
Ruth A " 17 Dau' Milliner " in Willcove Cornwall.
George F " 4 Son Scholar " in Barnstaple Devon.
All disappear bar George F 1861 Census living in Stoke Damerel,Devon.
1871 Census all back in Stoke Damerel and still missing the above William.
There are a number of William Heale's marrying in the 1850s in Devon including 1 in 1853 Barnstaple

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As a last resort I could get GRO too do a search ££££££££

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Thanks Again Bernie