Can't find a William ORFORD born c1840 with parents John and Mary, but there is this family in 1851
Pelham House, Kensington
John ORFORD, head mar 53, Tailor (master), born Surrey, Lambeth
Mary ORFORD, wife mar 52, born Sussex, Brighton
Mary ORFORD, dau unm 24, Servant (out of occupation), Born Middx, St James
Rosina ORFORD, dau unm 20, Servant (out of occupation), born ditto
Reuben ORFORD, son 14, born ditto
John ORFORD, son 11, born Surrey, Lambeth - baptised as Samuel John Lewis ORFORD 18 Apr 1841 at St Mary Lambeth
Ruth ORFORD, dau 12, born ditto - baptised as Alice Ruth 18 Apr 1841 at St Mary Lambeth
HO107/1469/302/72
Ian C