Have you looked on the Surname Interests Tab, (under Your Tools, below) for anyone researching Smiths from Hasbury?
Does Charles Smith always claim to have been born in Derby in later censuses?
Yes he does. Here he is on 1861 Census
1861 Census
Name: Charles Smith Age: 18 Estimated birth year: 1843
Where born:
St Peters Derby, Derbyshire, England
Civil Parish: Portsea
Ecclesiastical parish: St Jude
County/Island: Hampshire
Country: England
Registration district: Portsea Island
Sub-registration district: Landport
Charles Smith single, Gunner in R.A. Like all other on this page!
Haven't found him on the 1871 Census though.
1881 Living in Peckham, Camberwell, Surrey
Chas. Smith 40 abt 1841
Derbyshire, England Sergeant In Royal Artiller
Annie Smith 32 abt 1849 Marchwood, Hampshire
Alfred Smith 5 abt 1876 London, London, Middlesex,
Harriet Smith 3 abt 1878 London, London, Middlesex,
Alice L. Smith 2 abt 1879 London, London, Middlesex,
1891 Census. Address: 14 Chichester Houses, Gt., Eastern Street
Chas Smith 48 abt 1843
Derby, Derbyshire ARMY PENSIONER
Annie Smith 42 abt 1849 Marchwood, Hampshire,
Alfred Smith 15 abt 1876 London, Surrey, CLEARING HOUSE
Harriet Smith 13 abt 1878 London, Surrey, SCULLERY APPRENTICE
Alice L Smith 12 abt 1879 London, Surrey, school
Bertha Smith 7 abt 1884 London, Surrey, school
Edith Smith 5 abt 1886 Dulwich, London schoolEdith Smith is my friends Grandmother
1901 Census.... Civil Parish: Camberwell
Charles Smith 60 abt 1841,
Derby Town, St Peter’s Communications Time keeper
Annie Smith 52 abt 1849, Marshwood, Hampshire,
Alfred O Smith 25 abt 1876, Southwark, London Clerk Council
Alice Smith 22 abt 1879, Southwark, London Dressmaker
Bertha Smith 19 abt 1882, Peckham, London Servant
Edith Smith 15 Drapers Shop Assistant
1911 Census
Name: Charles Smith
Age in 1911: 70
Estimated birth year: abt 1841
Relation to Head: Boarder
Gender: Male
Birth Place:
Derby, Derby, England
Civil Parish: Camberwell
County/Island: London
Country: England
Street address: 35 Kings Road, Peckham S E
Marital Status: Widowed
Occupation: ARMY PENSIONER
Registration district: Camberwell
Registration District Number: 27
Sub-registration district: Peckham North