The George that was in the 1841 census married a Sarah (I haven't found a marriage). The trouble with the 1841 census is not having relationships - they might have been cousins.
1841
: George Vincent M 20 Brickmaker Wiltshire, England
: John Vincent M 20 Fellmonger Wiltshire, England
1851
: George Vincent Head Married M 33 Journeyman brickmaker Salisbury, Wiltshire, England
: Sarah Vincent Wife Married F 26 Salisbury, Wiltshire, England
: James G Vincent Son M 3 Scholar Wiltshire, England
Her name was Sarah Dew from the children's births.