There is a William Henry Cleator, son od Daniel Cleator and Margaret Quayle, christened on Jurby on Feb 7 1841. This would correspond to the 1851 census as well as that of 1841.
1851 Bride HO107/2524 folio 131 page 14
Daniel Cleator Hear mar 38 farm labourer b Jurby
Margaret wife 40 b Ballaugh
John son 14 b Ballaugh
William son 10 b Jurby
Margaret dau 6 b Jurby
Mary Ann dau 6 b jurby
Catherine dau 4 b Jurby
Elizabeth 1 b Jurby
Thomas 1 month b Bride

William seems to have lost a year in the 1850s.