« Reply #9 on: Tuesday 30 July 24 14:56 BST (UK) »
Working on lots of assumptions here: If Susannah was a widow when she married Thomas Moss and came from Thornbury, her previous husband may have died there in the few years before 1819.
A John Bray fits the bill.
There is a John Bray of Thornbury married a Susannah Bayliss in Great Kyre Worcestershire on 26 Dec 1796.
The date of marriage would be consistent with a Susannah b about 1776 and place is consistent with not born in Herefordshire but just over the border in Worcs.
Just noticed that John Bray has W in brackets on the marriage transcript, so he was a widower when he married Susannah Bayliss. The only child I have found is William Bayliss Bray - Thomas Moss's executor.
Berks / Oxon: Eltham, Annetts, Wiltshire (surname not county), Hawkins, Pembroke, Partridge
Dorset / Hants: Derham, Stride, Purkiss, Sibley
Yorkshire: Pottage, Carr, Blackburn, Depledge
Sussex: Goodyer, Christopher, Trevatt
Lanark: Scott (soldier went to Jersey CI)
Jersey: Fowler, Huelin, Scott