familysearch has [all in Melford]
1841
Page Number   1
Registration Number   HO107
Piece/Folio   1012/4 
William Hardy      M   50-54   Suffolk
Elizabeth Hardy      F   45-49   Suffolk
Charles Hardy      M   20-24   Suffolk
William Hardy      M   20-24   Suffolk
Mary Hardy      F   15-19   Suffolk
Henry Hardy      M   12   Suffolk
Samuel Hardy      M   9   Suffolk
also 1841
Page Number   16
Registration Number   HO107
Piece/Folio   1012/27
Mary Hardy      F   55-59   Suffolk
John Hardy      M   25-29   Suffolk
Susin Hardy      F   25-29   Suffolk
Maria Hardy      F   25-29   Suffolk
William Hardy      M   21-25   Suffolk
Samuel Hardy      M   15-19   Suffolk
Charlotte Hardy      F   15-19   Suffolk
Henry Hardy      M   5   Suffolk
1851
Page Number   16
Registration Number   HO107
Piece/Folio   1789 / 370
William Hardy   Head   M   59   Melford, Suffolk
Elizabeth Hardy   Wife   F   58   Melford, Suffolk
Samuel Hardy   Son   M   20   Melford, Suffolk ag lab
George Chenery   Visitor   M   14   Melford, Suffolk
and a baptism
Samuel Hardy
christening:   1830   ACTON, BTS, SUFFOLK, ENGLAND
residence:      Acton, Suffolk, England   
father:   William Hardy
mother:   Elizabeth
I think you really need that marriage certificate...£9.25 from GRO online - for age, occupation & father's name, occupation.
Josey