Think its the right family. Maybe someone could have a look and see what his occupation was and see if it matches to some degree with the occupation on the marriage cert.
1841
Name: Richd Light
Event Place: Gillingham, Dorset, England, United Kingdom
Event Place (Original): Gillingham, Dorset, England
County: Dorset
Parish: Gillingham
Registration District: Shaftesbury
Residence Note: Market Place
Age: 50
Age (Original): 50
Birth Year (Estimated): 1787-1791
Birthplace: Dorset
Page Number: 2
Registration Number: HO107
Piece/Folio: 290/20
Affiliate Record Type: Household
Affiliate Image Identifier: GBC/1841/0290/0327&parentid=GBC/1841/0002299221
Saml Harris Male 70 Dorset
Dinah Kiddle Female 50 Dorset
Richd Light Male 50 Dorset
Charlotte Light Female 40 Dorset
Edwd Light Male 20 Dorset
Charlotte Light Female 20 Dorset
Martha Light Female 15 Dorset
Ann Light Female 15 Dorset
Jane Light Female 14 Dorset
Anna Light Female 3 Dorset
Ann Gray Female 20 Dorset
Henry Matthews Male 40 Dorset
John Lovely Male 12 Dorset