Earlier quoted context omitted.
Is name validation even possible?
In certain cultures yes. Where I live, you can only select from a central, though frequently updated, list of names when naming your child. So theoretically only (given) names that are on that list can occur. Family names are not part of this, but maybe that exists too elsewhere. I don't know how people whose name has been given to them before this list was established is handled however. An alternative method, which…
Even if you try to imagine a system for a hospital to register newly born babies... What happens if a pregnant tourist is visiting?