What if John Goss b 1751 Blunham went to live & work in Sandy in 1772 & came home to marry local girl Eliz Angell ?
This John Goss, son of Thomas & Judith had sister Jane b 15/06/1746 Blunham - who could be the one who married George Cooper on 29/10/1770 at Blunham.
Note Judith Goss wife of Thomas (of Moggerhanger as per Blunham with Moggerhanger PR) was buried on 5 Jul 1758. After which Thomas widower then married Eliz Cowper widow on 9 May 1763