The fundamental question here is: how are churches named?
I’m sure it’s different for each Christian faith (and other faiths of course, but I’m most experienced with the Christian churches). There do seem to be some patterns though. An awful lot of United Methodist churches seem to just be called Trinity United Methodist or some slight variation thereof, with no “local color”. And I’ve been to several Roman Catholic churches named in some variation of Our Lady of the [prominent local feature]. But clearly that’s not a representative sample of… anything really.
So what kind of other general conventions are out there? And who decides this kind of thing when they build a new church?