The Fridays on the 1851 census showing a connection to Harbledown are these.
HO107 1625 folio 116
St Stephen Kent
William Friday 60 Harbledown, Kent, Head Married Ag lab
Frances Friday 57 St Stephens, Kent, Wife Married
John Friday 29 St Stephens, Kent, Son Labourer
HO107 1625 folio 141
Blean Kent
James Friday 51 Harbledown, Kent, Head Married Gardener
Elizabeth Friday 47 St Stephens, Kent, Wife Married
Mary Ann Friday 15 Blean, Kent, Daughter
Sarah Friday 9 Blean, Kent, Daughter
From the IGI all children of John and Catherine Friday
WILLIAM FRIDAY Christening: 26 SEP 1790 Harbledown, Kent
JOHN FRIDAY Christening: 07 OCT 1792 Harbledown, Kent
JAMES FRIDAY Christening: 18 FEB 1798 Harbledown, Kent
JAMES FRIDAY Christening: 21 JUL 1799 Harbledown, Kent
MARY ANN FRIDAY Christening: 19 APR 1795 Harbledown
Harbledown coverage on the IGI is only up to 1800.
Regards
Valda