Dad was born in Shrewsbury in 1851 census,
could young James have been born there too?
There's a listing in Free BMD 1845.
There again I don't think so??
As for Jane listed as son, the enumerator must have been stressed, then went home and made corrections.....
I hope this is of help
1871 census 16 Victoria Row Kentish Town
John Holbrook 55 bn Shrewsbury Master Hatter
Sarah 55 bn Staffs
Edward 19 Commercial Clerk, Henry 17 Scholar, both bn Westminster.
Mary Ann Crisp genl dom serv.
Death 1st qtr 1879 aged 63 yrs (b1816c)
Strand London Middlesex.
Edward's wife Annie from 1881 is listed as Sarah Ann in other census.
Father John is 78 in 1891 listed as Halbrook (error sent to Anc##)
His birthplace as Lincolnshire?? (it's a ditto from the servant above)
retired hat manuf.
Living with Edwd & Sarah A, no kiddies.
Free BMD have a marriage Strand dec qtr 1879
Edward Holbrook to Sarah Ann Ensor.