His death at age 75 was registered in the first quarter 1877, but in St Ives registration district, which doesn't include Caxton.
Was Henry's father Elias, who was buried age 91 in Caxton registration district in the first quarter 1867?
In 1851 HO107/1758 folio 34A
Mill Hill Cottage, Gamlingay, Cambs
Elias Standen head marr 74 Farrier b Burwash Sussex (indexed on Ancestry as Chas)
Barbary Standen wife 70 laundress b Haffald? Sussex (Hartfield??)
Frances Standen dau unmarr 50 b Canterbury
William Hills Grandson unm 21 Brickmaker b Waresley Hunts
Jane Larkins servant unm 15 Servant b Everton Beds
Gamlingay was in Caxton registration district
A Barbara Standon died in Caxton registration district in the Sept quarter 1862
I can't find them in 1861 which is puzzling
http://freepages.genealogy.rootsweb.ancestry.com/~blacksmiths/sussex-1.htm has quite a bit about the Standen blacksmiths
David