That is trivially easy. You simply find the most common names in each country with predominant language. Want to find Indian names? Most common names in India.

That is trivially easy. You simply find the most common names in each country with predominant language. Want to find Indian names? Most common names in India. Latino names? Most common names in Mexico. etc. It's not perfect, but nothing is. Case in point: As a wise man once sang, "I'm not black like Barry White. No, I am white like Frank Black is."