That's fascinating, Joshua !! Thanks for sharing!
To maybe answer your question:
Pub names - Wikipedia
en.wikipedia.org
QuoteCheckers or Chequer(s), March, Isle of Ely and many other sites : sometimes derived from the coat of arms of a local landowner (see Chequy), this name and sign originated in ancient Rome when a chequer board indicated that a bar also provided banking services. The checked board was used as an aid to counting and is the origin of the word exchequer. The last pub to use the older, now American spelling of checker was in Baldock, Hertfordshire, but this closed circa 1990; all pubs now use the modern "q" spelling (but see also Chequers, in Plants and horticulture below).
So, pubs and churches?