Can grandson's name be the same as the grandfather's in western country?

Question

like this:grandfather's name is John green.can grandson's name is John green too?

it's show the houror to his grandfather?

Answer 1

Sure, you can name your children whatever you want.  There are no rules that dictate what you can or can't name your children.

Answer 2

My grandson has his great grandfathers middle name just for that reason