1818 : Born in Tottenham, Edmonton, Middlesex, England.
1841 : Not found on British census.
1851 : 7 Warwick Road, Hackney, Middlesex, England; Clara JANSEN/ Daughter/ Single/ 33/ At Home/ Hackney, Middlesex, England.
1861 : 8 Warwick Road, Hackney, Middlesex, England: Clara JANSON/ Sister/Single/ 43/ Landholder/ London, Middlesex, England.
1871 : 11 Lansdown Road, Tunbridge, Kent, England: Clara JANSON/ Head/ Single/ 53/ Dividends & Interest/ Tottenham, Middlesex, England.
1881 : Not found on British census.
Les données affichées n'ont aucune source.