I speculated previously on a connection with the Davies family of Glyn(ne).I'm more convinced now,though i havre yet to discover,again,whether it is famiial or not.
The will of Peter Davies of Glynne Ucha,1845,amongst extensive property references,gives"...his daughter Anne Wiliams of Derigaron..",and I think also "...my daughter Eliza Williams of Waunfawr..)
If correct on the second name that is two properties from the will of Rev Edward Richards.
This Peter Davies is described as "gent" on the (non conformist) baptism record of his son Peter in 1822 and,coincidence(?),I think I have found a record for a John Lewis,born 1815 to John Lewis("gent") ad wife Elizabeth of Glynne Isa.
Another coincidnce(?) is that not far from Glyn(ne) Ucha is another Bwlch y Ddwallt.If you remember the will of Thomas Richard of Caron (1808) had a debt to a Peter Davies,and there are indent references to Thomas Richard of Bwlch y Ddwyallt.
Regards
Roger