I have an ancester Henry Ollenbittle or Henery Ollenbutel who came to England in circa 1820's to work in the London Sugar Refining Industry as a sugar baker (in St. Georges in the East). I believe that he may have come from the Hanover Region. I am interested to find trace the origin of the surname and possibly the family. Does anyone have any information or can they direct me to an archive or source.