Is there an overlap between the terms "hillbilly", "redneck" and "good ol' boy"?

Hi. I recently posted this thread:

https://able2know.org/topic/556126-1

which in hidsight I probably should posted as a discussion thread.

I posted the topic question twice in that thread:

https://able2know.org/topic/556126-4#post-7111394
https://able2know.org/topic/556126-4#post-7111394

I am doing research on this. Please help. Thank you.