Great news. I just wish I'd seen the thread before I was in Port, Caernarfon and Manchester (where the family moved after WR/GE either died or ran off to Canada) in June. But if you get in touch I can send you a scan of the Pwllheli PR entry and some other stuff. I also found some Lloyd's Register paperwork on the barque Henry Jones yesterday, which is an interesting sidelight. I couldn't get the link-shrinker to work for me, so here's the whole thing:
https://hec.lrfoundation.org.uk/archive-library/documents/lrf-pun-barbwk38-0187-r-henry-jones-1850Fingers crossed EmyrBorth sees this too and we can get on the trail of that Gwilym Eryri article. The librarian at Port dug out his entry in
Hanes Porthmadog for me, but I'm guessing you know about that.