Hi
My 4xgreat grandmother was Mary Bullen, born around 1770 in Norfolk. Havn't got further back than that, but have also long wondered the same whether there might be a link to Anne Boleyn's family, as they were from the area, and more commonly referred to as 'Bullen' in their own time. I shall watch this thread with interest maybe we can link them all up!
Re Thomas Cromwell and the parish registers, some registers in France go back to the 1330's so if he got the idea anywhere maybe from there. That said as I understand it the reason they ordered records to be kept at this point of all personal church ceremonies baptism, marriages burials, was to keep check who was complying with the new religion C of E, and who was not, and no doubt as ever tax was an issue, knowing who was who and where. Henry VIII's treasury was near bankrupt at the time I think, I'm sure I read this is why Cromwell and his lot wanted to strip the church and monastries of their lands and wealth for the crown.