[Elsie]

Surely that is what the first and second century practice was. Right?

Let's ask the angel that told John to write to the 7 Catholic churches in Asia.

[one Lord one faith one baptism]

Oh, the Catholic Church had way more than 7 local parishes when John wrote Revelation.
What you didn’t find back then was a Baptist Church, Presbyterian, Methodist, Mormon, seventh day adventist, etc.
That confusion was over 1,400 years away.