Hi Ben
I've waded through a lot of fiche in Ipswich to find most of this out, although it's also come via the internet sites and some clever [although I say so myself

] detective work. I guess I have too much time to waste!
Unfortunately, I live in Lincolnshire, so can only get to Suffolk now and then, which is also why I have been looking at my Norfolk bods anew, as I hope to be able get a couple of days in Norwich soon.
I have to admit, I am not 100% cast iron sure about my Thomas [1] line, but I do think he was the one baptised 24th March 1776 Peasenhall, husband of Mary Fleet, married 26th Dec 1799 Peasenhall.
My Elizabeth was the daughter of their son John and Lucy Jerry.
My Thomas [1] was the son of Thomas Teago [2] and Ann Bence, married at Peasenhall 16th July 1775, baptised 10th Aug 1755, brother to your Edward, son of Edward and Ann etc.
Yes, it is a very unusual name and, if you look at those listed on the Free BMD site, they appear to all be our relatives. I have yet to find anyone called Teago who is not!
Who did your Elizabeth marry?
Sue