trying to follow this through.....

Hannah JOHN (widow) - married Thomas WHITTINGTON 2 December 1820 at St Briavels
Hannah WHITTINGTON died 6 July 1823, at English Bicknor age 35

Hannah's birth : c1788 (possibly would have married + 20 yrs = c1808)

No Marriage of a ? JOHN marrying a Hannah ? from 1800 in Gloucestershire

The only FOD records for a christening with mother Hanah JOHN/Father: Philip JOHN - is in Ruardean, 6 January 1812, Moriha (Maria)

1841 Census, St Briavels Common, Hudnalls

Griffin JOHN - Farmer 75 - born in County
Ann JOHN - 53 - ditto
John JOHN - 35 - ditto (1861 census at St Briavels, age 59, born Monmouth, Chappels Hill)

1851 Census, Glos St Briavels

Ann JOHN - WIDOW 83, born Woolaston
Harriet JOHN - Granddaughter - 11 - born Tidenham - parents George & Ann - 28 December 1840
Sarah JOHN - Granddaughter - 14 - born Tidenham

George (age 35) & Ann (age 35) - + family 1841 census, Tidenham