DNA matches are very helpful

so too is the Non conformist - was this "driven" by the MALSON side or the BUDDING side - and may suggest that the elusive marriage is in a non conformist register

although later children were Baptised in Abenhall
1842 MALSON Mark George Mary Abenhall
1845 MALSON Adam George Mary Abenhall
1848 MALSON Oliver George Mary Abenhall

looks like the MALSON family were the non conformists at Mitcheldean Congregational