Hi Richard,
found this in the 1851 census, although the place of birth doesn't fit for William, the age and occupation do so he could be yours,hope it helps
William REED Head M 58 M Mason Henton Punchardon-Dev
Ann REED Wife M 60 F Wife Brauton-Dev
Thomas REED Son U 21 M Mariner Brauton-Dev
John REED Son U 19 M Ap Mason Brauton-Dev
East Mill
Braunton Devonshire
HO107/1893 Folio 278 Page 1