The Andreas register begins in 1666 - in fact the first page states:This book is purchased by the Wardens ... for the purpose of transcribing all the baptism, funerals & marriages to be found registered in the Parish Registry Book beginning about six years after the restoration of the Royal family namely about the year 1666 and brought down, as correctly as the torn and abused state of the old Regr will admit, to the year 1799 being the year the old Church was determined at vestry to be pulled down and the present New Church determined and ordered ...

thus an exact date 16 years prior to the start of the register should provoke some questions.