Dear Koromo,
I am the Secretary of the Unitarian Chapel in BIllingshurst, West Sussex, UK
www.thechapelatbillingshurstWe have a plaque on our Chapel wall with Rev.George Stallworthy's image on it and his dates. Recently, we were all wondering who he was and why his plaque was here. There is an inscription on the back which just says 1918. I'm not sure if he was a minister in our Chapel or not but I can check.
Are you interested in this at all? I can send you a picture of the item if you are.
Stuart Coupe