Hi Cat,
Your William's father was a Coast Guard and so all over the place. Dorset in 1841, Cornwall in 1851 and Norfolk in 1861. Does explain the Elizabeth and Thomas from 1871 census so certainly the right family. St Blazey is Ecclesiastical parish of Par.
http://www.parparish.co.uk/ Thomas is mentioned here
http://www.genuki.org.uk/big/Coastguards/BirthHENWOOD William John Mar 1/4 1851 St Austell 9 17
Looks Like a possible marriage for his parents
Thomas
HENWOOD = Susannah
BALL Mar 1/4 1838 East Stonehouse Devon
1841 CensusHO107/285/13 Folio 5 Page 4
Paragon Place
Portland
DorsetHENWOOD Thomas 25 N (No not born in County) Coastguard
HENWOOD Susannah 20 N
HENWOOD Elizabeth 2 N
1851 CensusHO107/1906 Folio 233 Page 31
St BlazeyHENWOOD Thomas Head 37 b Devonport Compend Boatman in Coastguard Service
HENWOOD Susanna Wife 32 Mar b Devonport
HENWOOD Elizabeth Dau 11 b Devonport Scholar
HENWOOD James Son 8 b Portland
HENWOOD Susan Dau 7 b Tywardreath
HENWOOD George Son 5 b St Blazey
HENWOOD Sarah Dau 2 b St Blazey
HENWOOD William Son 3 Months b St Blazey
1861 CensusRG9/1203 Folio 48 Page 11
Beach
Weybourne
NorfolkHENWOOD Thomas Head 47 Mar b Devonport Devon Officer of Coast Guard
HENWOOD Susannah Wife Mar b Devonport Devon
HENWOOD Susannah A Dau 17 Unm b Fowey Cornwall
HENWOOD Sarah N Dau 12 b St Blazey Cornwall Scholar
HENWOOD William J Son 10 b St Blazey Cornwall Scholar
HENWOOD Thomas Son 7 b St Blazey Scholar
HENWOOD Frederick Son 4 b Weybourne Norfolk
HENWOOD Ellen M Dau 2 b Cromer Norfolk
1871 CensusRG10/1850 Folio 29 Page 25
Fakenham
NorfolkHENWOOD Thomas Head 57 Mar b Devonport Greenwich Pensioner
HENWOOD Susannah Wife Mar 53 Mar b Devonport
HENWOOD Hellen Dau 12 b Cromer
HENWOOD Henrietta G Dau 5 b Weybourne
Hope it Helps
Cheers Kris
