Soham Macro's

[Macrosearch]

I have been able to trace back to Arthur Macrowe who married Ann of Dalham, Suffolk in the 1620's.
I have had no luck in finding out more about Arthur, so I thought I would see if I could work forwards.

I just found this quote in Proceedings of the Suffolk Institute of Archæology, Statistics, and Natural History (Volume 3):

"Where the family of Macro came from is not known ...
 ... but persons of the name had been living in the
neighbouring parish of Barrow, for a century at least before
this time ; and at a still earlier period at Soham, in Cam-
bridgeshire, not very far distant. At the latter place, in
the fifteenth century, the Macros were numerous, and
owners of considerable property."

Does anyone have a suggestion on how to find out about the Soham Macro(we)'s
prior to 1600?

Thanks,

Jon