Helen Jones information has Christopher's baptism as Jan. 30 1784, the Film #0919204 lists Jan. 30 1785, a copy of the correct date is on file. 

1841 England Census Record info about Christopher Sedman
Name: Christopher Sedman Age: 65 Estimated birth year: abt 1776 Gender: Male Where born: Yorkshire, England Civil parish: Scalby Hundred: Pickering Lythe County/Island: Yorkshire Country: England 
Source information: HO107/1261/8 Registration district: Scarborough Sub-registration district: Scarborough ED, institution, or vessel: 3 Folio: 17 Page: 3 Line number: 14 GSU Number: 464235
Christopher Sedman abt 1776 Yorkshire, England Scalby Yorkshire  
Elizabeth Sedman abt 1781 Yorkshire, England Scalby Yorkshire 
Mary Sedman abt 1806 Yorkshire, England Scalby Yorkshire
